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Twissty tree, gnarled, Twist, twistree, HooDoo, Spire, NSUV01P01_14.2473Hoo doo Twins, outcropping, Spire, Sandstone, NSUV01P01_17Hoo doo, outcropping, Spire, Sandstone, NSUV01P02_01Twist and Gnarl, Tree, Bryce Canyon National Park, twistree, Root, NSUV01P02_08.2570HooDoo, Spire, Sandstone Erosion, Weathering, NSUV01P02_11Hoo Doo, Spire, Sandstone, Saturation of Hues, NSUV01P02_18HooDoo, Spire, Sandstone fractals, Erosion, Weathering, NSUV01P03_04HooDoo, Spire, Sandstone fractals Erosion, Weathering Texture, NSUV01P03_09fractals, Erosion, Weathering, Bryce Canyon National Park, NSUV01P03_11HooDoo, Spire, Sandstone, NSUV01P03_15Tree, Bare Roots, twist, twisted, NSUV01P04_07.2570HooDoo, Spire, Sandstone, NSUV01P04_14.2473Cows, Fields, Fence, Trees, Soft, Gentle, Smooth, NSUV01P05_06NSUV01P05_11Mountains, Cloud Shadows, Hills, Shapes, NSUV01P05_14Sevier Canyon Rocks, NSUV01P05_19Wasatch Mountains, NSUV01P06_07.2570Rock, Natural Bridge Arch in the Winter, landmark, NSUV01P07_10Arches National Park, Arch, Natural Bridge, NSUV01P08_19Mountains, Knob, Tower, butte, outcrop, HooDoo, Spire, Sandstone, NSUV01P10_12Knob, Tower, outcrop, HooDoo, Spire, Sandstone, NSUV01P10_16Knob, Tower, HooDoo, Spire, Sandstone, NSUV01P10_17Sandstone Cliff, stratum, strata, layered, sedimentary rock, HooDoo, Spire, Sandstone, NSUV01P11_12Arches National Park, NSUV01P12_03Layers of Hills and Mountains, Arches National Park, NSUV01P13_11Arches National Park, Knob, Tower, HooDoo, Spire, Sandstone, NSUV01P14_02Knob, Tower, outcrop, HooDoo, Spire, Sandstone, NSUV01P14_08.2473Knob, Tower, Sandstone Cliff, stratum, strata, layered, sedimentary rock, outcrop, stratified layers, geology, geological formations, HooDoo, Spire, Sandstone, NSUV01P14_12Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV01P15_16Sandstone Cliff, stratum, strata, layered, sedimentary rock, stratified layers, geology, geological formations, NSUV02P01_04Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P01_07Sandstone Cliff, outcrop, stratum, strata, layered, sedimentary rock, NSUV02P01_12Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P01_16Sandstone, Cliff, scrub brush, bush, knob, tower, outcrop, HooDoo, Spire, NSUV02P01_18B.2571Sandstone, Cliff, stratum, strata, layered, sedimentary rock, scrub brush, bush, knob, tower, butte, NSUV02P02_02Tower of Babel, Arches National Park, outcrop, NSUV02P02_07.2473Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P02_17.2473Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, meander, NSUV02P04_03Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P04_11Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P04_16.2571Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P04_18Canyonlands National Park, NSUV02P05_12Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P05_17Sandstone Cliff, stratum, strata, layered, sedimentary rock, Colorado River, NSUV02P09_01Fractal River Patterns, NSUV02P09_04Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P09_06NSUV02P11_14.2473butte, Beehive Rock, Dome, strata, clouds, NSUV02P12_06B.2571Spiraly Cone, spiral, NSUV02P12_12BMexican Hat Rock, erosion, sandstone formation, HooDoo, Spire, Sandstone, NSUV02P14_01Monument Valley, butte, NSUV02P15_08Monument Valley, butte, NSUV02P15_11Hoodoo, outcropping, Spire, Sandstone, NSUV03P01_05B.2473The Double Arch, Arches National Park, NSUV03P02_01Wilson Arch, NSUV03P02_05Park Avenue, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV03P02_10Sandstone Cliff, stratum, strata, layered, sedimentary rock, knob, NSUV03P02_12Colorado River, Mesa, clouds, valley, cliffs, mesa, NSUV03P03_04Hoodoo, outcropping, Spire, Sandstone, NSUV03P05_03Trees, Canyon, NSUV03P05_14NSUV03P06_02.2473NSUV03P06_04.2571Delicate Arch, NSUV03P06_05.2473NSUV03P06_13sandstone, cliff, rock, boulders, NSUV03P08_04Colorado River, silt, mud, muddy, water, calm, valley, NSUV03P08_10Tree, branches, leaves, NSUV03P08_19Mesa, Colorado River, Water, Dark Mean Clouds, scary, NSUV03P09_04Colorado River, Reflection, Sandstone Cliff, Stratum, Strata, layered, sedimentary rock, NSUV03P13_08Beehive Rock Formations, Layers, Canyonlands National Park, NSUV03P14_11Cliffs, Rock Formations, Colorado River, Canyonlands National Park, NSUV03P14_13Canyonlands National Park, NSUV03P15_08Colorado River, Canyonlands National Park, NSUV03P15_13.2571erosion, sandstone, texture, NSUV04P05_10erosion, sandstone, texture, NSUV04P05_12erosion, sandstone, texture, river meander, NSUV04P05_13snowy mountain range, forest, NSUV04P05_17BDelicate Arch, NSUV04P07_01Twin Sisters, outcropping, HooDoo, Spire, Sandstone, NSUV04P08_01.2571a massive arch, NSUV04P08_03butte, NSUV04P10_01.2571Zion National Park, NSUV04P11_05.2473Virgin River, Sandstone Cliffs, NSUV04P11_17Virgin River, NSUV04P12_08Tree, NSUV04P12_10Cliff, Stone, Zion National Park, NSUV04P12_13Tree, NSUV04P12_17.2571Tree, NSUV04P13_04Tree, NSUV04P14_02Sandstone Cliffs, butte outcrop, NSUV04P14_06Cliffs, Tree, Valley, NSUV04P14_16Autumn, Trees, Fall Colors, NSUV04P14_17.2571Virgin River, stones, Rocks, Sandstone Cliffs, clear water, NSUV05P02_01.2571Mountains, NSUV05P03_13Twigs in the Sand, Coral Pink Sand Dunes State Park, NSUV05P06_09.2571Shadow, Grass, Scrub, Coral Pink Sand Dunes State Park, Utah, USA, NSUV05P07_09Ripples in the Sand fractal, Coral Pink Sand Dunes State Park, Wavelets, NSUV05P07_15Sevier River, NSUV05P08_06.2473Bryce Canyon National Park, NSUV05P08_16Hoodoo, outcropping, Spire, Sandstone, NSUV05P09_07Arch, cliffs, NSUV05P14_16.2473Horseshoe Bend, Colorado River, Meander, curve, NSUV05P14_18.2473Rain, Virga, Rainy Clouds, sunset, mountains, NSUV06P02_05.2571Cumulus Clouds, east of Moab, Castle Valley, NSUV06P02_14.2571River, Cliffs, Cumulus Clouds, east of Moab, Castle Valley, Mesa, cliffs, geologic feature, mesa, NSUV06P02_18Knobs, geoform, mountains, Castle Valley, east of Moab, geologic feature, butte, NSUV06P03_05Gully, Mountains, Castle Valley, east of Moab, NSUV06P03_19Mesa, Castleton Tower, Mountains, knob, cumulus clouds, bush, geologic feature, butte, Castle Valley, east of Moab, NSUV06P04_09Mountains, clouds, Castle Valley, east of Moab, NSUV06P04_12Virga, Rain, Mountains, clouds, Castle Valley, east of Moab, Castleton Tower, geologic feature, butte, NSUV06P04_15Mountains, clouds, knob, Castle Valley, east of Moab, NSUV06P05_06geoforms, Mountains, Cumulus Clouds, NSUV06P05_14Balance Rock, geoforms, Knob, Clouds, geologic feature, spire, HooDoo, Sandstone, NSUV06P05_17BStone, Rock, geoforms, Knob, Clouds, Balance Rock, geologic feature, spire, HooDoo, Sandstone, NSUV06P05_19.2571Stone, Rock, geoforms, Knob, Clouds, Balance Rock, geologic feature, spire, HooDoo, Sandstone, NSUV06P06_02.2571Stone, Rock, Knob, Clouds, NSUV06P06_06Delicate Arch, Stone, Rock, Clouds, sun, Arches National Park, geologic feature, geoform, NSUV06P06_16Hikker, Person, Woman, Female, Delicate Arch, Clouds, geologic feature, geoform, NSUV06P07_09Delicate Arch, Clouds, geologic feature, geoform, NSUV06P07_18Sandstone Cliff, Stratum, Strata, Layered, Sedimentary rock, Pareidolia, NSUV06P08_11Delicate Arch, clouds, person, hiker, walker, geologic feature, geoform, NSUV06P08_13Pancake Columns, Sandstone Cliff, strata, Sedimentary Rock, NSUV06P09_05.2571Monument Valley, Clouds, NSUV06P11_07Lake Powell, water, NSUV06P11_19.2571Sandstone knob outcropping, Lone Tree, butte, Equanimity, NSUV06P12_12Valley, Sandstone Cliff, trees, stratum, strata, layered, sedimentary rock, stratified layers, geology, geological formations, NSUV06P12_16Valley, Sandstone Cliffs, trees, NSUV06P13_13.2571Tall Tree, NSUV06P13_19Grandview, Canyonlands National Park, geologic feature, butte, NSUV06P14_17frozen landscape, snow, ice, cold, Fractal Patterns, mountains, NSUV06P15_08frozen landscape, snow, ice, cold, Mountains, Fractal Patterns, NSUV06P15_15frozen landscape, snow, ice, cold, Mountains, Fractal Patterns, NSUV06P15_17Green River, Meandering, Fractal Patterns, Desert Landscape, Aerial, NSUV07P02_14meandering river, meander, Fractal Patterns, NSUV07P03_14NSUV07P04_13Lake Powell shoreline, shore, water, NSUV07P05_17Mexican Hat Rock, erosion, sandstone formation, HooDoo, Spire, NSUV07P07_09Cumulus Puffy Clouds, NSUV07P02_18Clouds and Mountain Range and Desert, NTXV01P02_13Mountain Range and clouds, NTXV01P02_19NTXV01P03_02NWEPCD0661_109Tuolumne River, Rapids, White Water, Stream, Splash, Wet, Liquid, Water, NWEV02P02_03.2879Waterfall, Wet, Liquid, Water, NWEV02P03_06CWaterfall, Wet, Liquid, Water, NWEV02P03_14.2879Cracks, Interstices, Cracked, Dirt, Earth, Dry, Arid, Drought, Dessicated, Parched, Craquelure, NWEV05P10_10.0145Cracks, Interstices, Cracked, Dirt, Earth, Dry, Arid, Drought, Dessicated, Parched, Craquelure, NWEV05P10_14.2880Cracks, Interstices, Cracked, Dirt, Earth, Dry, Arid, Drought, Dessicated, Parched, Craquelure, NWEV05P10_15B.3738Foam, Drakes Bay, Wet, Liquid, Water, NWEV07P15_13.2882The Lone Rock of Equanimity, Peace, Solitude, Quiet, Sand, Rock, Wet, quietude, tranquil, NWEV08P01_05Standing Wave, Ripple, Wet, Liquid, Water, NWEV08P01_07Standing fractal Wave, Ripple, Wet, Liquid, Water, wavelet, NWEV08P01_08the north side of Half Dome, NWGV01P03_10.2876Carson Valley, daytime, daylight, NWSV01P14_17Carson Valley, daytime, daylight, NWSV01P14_18.2862Carson Valley, daytime, daylight, NWSV01P14_19.2862Wispy Blue Sky fractals, Cirrus Clouds, NWSV09P06_07.1540differentiation in color, psyscape, NWSV15P10_15Cdaytime, daylight, NWSV15P10_16.0767ant walking on water, OEAV01P01_06B.0889Honey Bee, Poppy Flower, the garden at Esalen Institute, Big Sur, California, OEBV01P01_04Dragonfly, Anisoptera, OEDV01P01_13.3333Dragonfly, Anisoptera, OEDV01P01_15.0891Dragonfly, Anisoptera, OEDV01P02_01.3333Sunflower, Fields, OFFV07P10_09.2855Sunflower, Fields, OFFV07P10_13.0754Rows of Sunflower Plants in a Field, Dixon California, OFFV07P10_19.2855New Mexico, OFGV01P11_15BOregon in the fall, autumn, OFLV01P01_02Oregon in the fall, autumn, OFLV01P01_04.0218Cactus Flower, OFSV02P07_06.3300Ocotillo Cactus, (Fonquieria splendens), Joshua Tree National Monument, OFSV02P11_02.3300California Poppies, Joshua Tree National Monument, OFSV02P12_07.3300Barrel Cactus, Joshua Tree National Monument, OFSV02P12_10.3300Cactus Spines, prickly point, spike, OFSV02P14_04.3300Cactus Spines, prickly point, spike, OFSV02P14_05.3300OPAV01P06_02.0357cliff, sitting, pacific ocean, PAFPCD0652_026PAFPCD0652_027Bpsyscape, PAFPCD0654_059CHuman Figure, Trees, Ice, Snow, PAFPCD0655_056Human Figure, Trees, Ice, Snow, PAFPCD0655_057BHuman Figure, Trees, Ice, Snow, PAFPCD0655_066Human Figure, Trees, Ice, Snow, PAFPCD0655_070Human Figure, Trees, Ice, Snow, PAFPCD0655_074Pacific Ocean, Trees, road, Santa Cruz, PAFPCD0658_136BWashington State Coastline, PAFPCD0664_039ice, snow, cold, rock, granite, Frozen, Icy, Winter, PAFPCD0664_100lava cave, underground, cavern, fairy tale land, Magma, Lava Tube, Igneous Rock, PAFPCD3348_097At the base of Bridal Veil Falls, Yosemite National Park, Waterfall, PAFV02P13_17.2673Point Reyes National Seashore, PAFV04P04_17Grand Prismatic Spring, Yellowstone National Park, PAFV05P09_12.2675Cannon Beach, Pacific Ocean, sand, landmark rock, Haystack Rock, PAFV06P12_06.2676Man on a placid walk, Lake Merritt, PAFV07P03_04.2676the Marina, Golden Gate Bridge, Man Sitting, PBAV02P03_06Yleisradio, PBTV02P02_01People walking path, PBTV02P05_11PBTV03P02_08PBTV03P02_19Golden Gate Bridge, PBTV03P14_14living room, balcony, Sausalito, California, PDFV01P09_03Opening Day Crissy Field, Golden Gate Bridge, Pavilion Tent, People, Crowds, Buildings, 3rd May 2001, PFFV04P09_14Marching Band, PFPV01P04_05Tracy Marching Band, Pleasanton, PFPV01P04_19Marching Band, PFPV01P05_16Marching Band, PFPV01P06_11Crosswalk, Oakland, California, Walking, PFSV05P03_16PFSV05P03_19Hacienda Business Park Arch with a Wreath, PHCV01P07_01Hacienda Business Park Arch, Wreath, Cars, Street, 1980s, PHCV01P07_03reindeer, snowman, storybook scene, Christmas Lights, decoration, frontyard, house, home, spiral, Nipomo, PHCV02P06_02candy cane, storybook scene, Nipomo, PHCV02P06_11Scarecrow, Male, Female, Howdy, Fields, PHHV01P06_06Pleasanton, PLGV02P02_14goat, PLPV01P07_17PLPV01P07_18PLPV01P08_03Girl, smiles, smiling, cute, PLPV12P06_14Drunken Homeless, Drunkard, POUV01P03_08Drunken Homeless, Drunkard, POUV01P03_09Bsquad car, Fort Point, Golden Gate Bridge Splash, PRLV01P03_06Squad car, CHP, Snow, Interstate Highway I-5, The Grapevine Grade, PRLV01P07_06Cherry Tree Blossom, springtime, spring, PTGV01P13_06Mormon Temple, RCTV04P15_12Pig Face, cute, funny, nose, ears, smile, happy face, Pareidolia, RVCV01P08_03.2651Pfeiffer Beach, Sand, Sandy, Hills, Canyon, coastal, coast, RVLPCD0656_016BGirls on a Foggy Day at the Beach, waves, RVLV02P06_06B.2653Sand, Beach, Pacific Ocean, Peaceful, Equanimity, RVLV02P15_11.2654Drakes Bay, pacific ocean, water, beach, sand, RVLV03P07_13.2654pacific ocean, water, beach, sand, sun, Drakes Bay, RVLV03P07_14.2654Sailing with the Golden Gate Bridge, SALV01P02_11Golden Gate Bridge, Windy Day on the Bay, SALV01P03_12Golden Gate Bridge, sailing out into the ocean, SALV01P05_02Calm Wind Day at Golden Gate Bridge, SALV01P13_19Pelicans, Golden Gate Bridge, SALV02P13_07.2655Windy Sunny Day Golden Gate Bridge, whitecaps, SALV02P15_05Spinnakers in the Wind, SALV02P15_12Windy Sailing, SALV04P02_02Golden Gate Bridge and Sailboat, SALV04P04_16Golden Gate Bridge, SALV04P05_03Golden Gate Bridge and Spinnaker, SALV04P05_05Golden Gate Bridge, SALV04P05_19Golden Gate Bridge, SALV04P06_17SALV04P08_19Golden Gate Bridge, SALV04P12_14Golden Gate Bridge, SBYV02P07_17Golden Gate Bridge, SBYV03P03_16.2662Golden Gate Bridge, SBYV03P03_17Golden Gate Bridge, SFIV01P06_05Lake, Fishing Boat, Fall Colors, Autumn, Bucolic, Reflection, SFIV01P13_17.2658Cattle Roundup under the Rocky Mountains, Wyoming, SHRV01P08_11.0167Rocky Mountains, Wyoming, SHRV01P08_16Girl on Horseback, Rope, Rocky Mountains, Wyoming, SHRV01P08_18SHRV01P13_01SHRV01P13_09Golden Gate Bridge, Flying a Kite, SKTV01P06_11Cars, lawn, Marin Headlands, Golden Gate Bridge, Flying a Kite, SKTV01P06_16outrigger, SRKV01P03_18.2659Rafts on the Shore, Water, Reflection, Colorado River, rafting, SRKV01P08_07.2659SRKV02P01_02BCanoe, SRKV02P01_07BSRSV01P10_04.2659SRSV01P10_07feathers, Native American, Indian, man, male, costume, Moccasin, SRSV03P10_19sunset, water, runner, woman, female, reflection, buildings, Lake Merritt, SRSV04P02_06Lake Merritt, SRSV04P04_12Start Line, starting, runners, Oakland Half Marathon, crowded, Tribune Tower, building, SRSV04P05_01runners, Oakland Half Marathon, SRSV04P05_03runners, Oakland Half Marathon, Tribune Building, SRSV04P05_04runners, Oakland Half Marathon, Lake Merritt, SRSV04P05_08Footpath, Volo Bog State Natural Area, STHV01P12_10Naval Auxiliary Field, south of Crows Landing, California Aqueduct, TAAV12P09_13Grumman G-164 Ag-Cat, Radial Piston Engine, TABV01P07_06Boeing 737, Southwest Airlines SWA, Catering Truck, Scissor Lift, Highlift, TAFV18P15_04BDetroit, Navion head-on, TAGV01P03_07Bell 206 JetRanger, Landing Shadow, Mudflats, TAHV01P09_12Lava Flows into the Pacific Ocean, Bell 206 JetRanger, TAHV01P10_10Crop Dusting, Aerial Spraying, Pesticide, Hiller UH-12, Central Valley, sprayer, TAHV01P12_10BCrop Dusting, Aerial Spraying, Pesticide, Hiller UH-12, Central Valley, TAHV01P12_12Crop Dusting, Aerial Spraying, Pesticide, Hiller UH-12, Central Valley, TAHV01P12_13.0168Kill Devil Hills, Wright Flyer, milestone of flight, TARV01P01_04Whaleback Ledge Lighthouse, Kittery, Maine, East Coast, Eastern Seaboard, Atlantic Ocean, TLHV01P04_13.1714Yaquina Head Lighthouse, Oregon, West Coast, Pacific Ocean, TLHV01P07_02Umpqua River Lighthouse, Oregon, West Coast, Pacific Ocean, TLHV01P07_14Cape Neddick Lighthouse, Maine, Atlantic Ocean, Eastern Seaboard, East Coast, TLHV01P11_09Cape Arago Lighthouse, Chief's Island, Oregon, West Coast, Pacific Ocean, TLHV01P12_12Cable for the Golden Gate Bridge, TMKV01P02_13Sand Dunes, Tiretracks, TODV01P03_09.1714Tiretracks, Sand Dunes, Oregon Coast, TODV01P03_10.1714Tiretracks, Sand Dunes, TODV01P03_18.1714Sand Dunes, Tire Tracks, Sand, Beach, Ocean, TODV01P06_04Open Pit Mine, Gravel, Aggergate, TOMV01P01_08.1714Bonneville, Tower, TPDV01P12_02.3482Pumping Station, Pipeline, TPHV01P13_18Woodland, Fontana Dam, Little Tennessee River, North Carolina, TVA, Tennessee Valley Authority, autumn, TPHV01P14_04Fontana Dam, Little Tennessee River, North Carolina, TVA, Tennessee Valley Authority, TPHV01P14_09Solar Reflectors, Collectors, TPSV01P01_15Solar Reflectors, Collectors, TPSV01P02_02Solar Reflectors, Collectors, TPSV01P02_10Photovoltaic Solar Cells, Heliostats, TPSV01P06_18
Twissty tree, gnarled, Twist, twistree, HooDoo, Spire, NSUV01P01_14.2473Hoo doo Twins, outcropping, Spire, Sandstone, NSUV01P01_17Hoo doo, outcropping, Spire, Sandstone, NSUV01P02_01Twist and Gnarl, Tree, Bryce Canyon National Park, twistree, Root, NSUV01P02_08.2570HooDoo, Spire, Sandstone Erosion, Weathering, NSUV01P02_11Hoo Doo, Spire, Sandstone, Saturation of Hues, NSUV01P02_18HooDoo, Spire, Sandstone fractals, Erosion, Weathering, NSUV01P03_04HooDoo, Spire, Sandstone fractals Erosion, Weathering Texture, NSUV01P03_09fractals, Erosion, Weathering, Bryce Canyon National Park, NSUV01P03_11HooDoo, Spire, Sandstone, NSUV01P03_15Tree, Bare Roots, twist, twisted, NSUV01P04_07.2570HooDoo, Spire, Sandstone, NSUV01P04_14.2473Cows, Fields, Fence, Trees, Soft, Gentle, Smooth, NSUV01P05_06NSUV01P05_11Mountains, Cloud Shadows, Hills, Shapes, NSUV01P05_14Sevier Canyon Rocks, NSUV01P05_19Wasatch Mountains, NSUV01P06_07.2570Rock, Natural Bridge Arch in the Winter, landmark, NSUV01P07_10Arches National Park, Arch, Natural Bridge, NSUV01P08_19Mountains, Knob, Tower, butte, outcrop, HooDoo, Spire, Sandstone, NSUV01P10_12Knob, Tower, outcrop, HooDoo, Spire, Sandstone, NSUV01P10_16Knob, Tower, HooDoo, Spire, Sandstone, NSUV01P10_17Sandstone Cliff, stratum, strata, layered, sedimentary rock, HooDoo, Spire, Sandstone, NSUV01P11_12Arches National Park, NSUV01P12_03Layers of Hills and Mountains, Arches National Park, NSUV01P13_11Arches National Park, Knob, Tower, HooDoo, Spire, Sandstone, NSUV01P14_02Knob, Tower, outcrop, HooDoo, Spire, Sandstone, NSUV01P14_08.2473Knob, Tower, Sandstone Cliff, stratum, strata, layered, sedimentary rock, outcrop, stratified layers, geology, geological formations, HooDoo, Spire, Sandstone, NSUV01P14_12Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV01P15_16Sandstone Cliff, stratum, strata, layered, sedimentary rock, stratified layers, geology, geological formations, NSUV02P01_04Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P01_07Sandstone Cliff, outcrop, stratum, strata, layered, sedimentary rock, NSUV02P01_12Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P01_16Sandstone, Cliff, scrub brush, bush, knob, tower, outcrop, HooDoo, Spire, NSUV02P01_18B.2571Sandstone, Cliff, stratum, strata, layered, sedimentary rock, scrub brush, bush, knob, tower, butte, NSUV02P02_02Tower of Babel, Arches National Park, outcrop, NSUV02P02_07.2473Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P02_17.2473Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, meander, NSUV02P04_03Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P04_11Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P04_16.2571Colorado River, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P04_18Canyonlands National Park, NSUV02P05_12Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P05_17Sandstone Cliff, stratum, strata, layered, sedimentary rock, Colorado River, NSUV02P09_01Fractal River Patterns, NSUV02P09_04Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV02P09_06NSUV02P11_14.2473butte, Beehive Rock, Dome, strata, clouds, NSUV02P12_06B.2571Spiraly Cone, spiral, NSUV02P12_12BMexican Hat Rock, erosion, sandstone formation, HooDoo, Spire, Sandstone, NSUV02P14_01Monument Valley, butte, NSUV02P15_08Monument Valley, butte, NSUV02P15_11Hoodoo, outcropping, Spire, Sandstone, NSUV03P01_05B.2473The Double Arch, Arches National Park, NSUV03P02_01Wilson Arch, NSUV03P02_05Park Avenue, Sandstone Cliff, stratum, strata, layered, sedimentary rock, NSUV03P02_10Sandstone Cliff, stratum, strata, layered, sedimentary rock, knob, NSUV03P02_12Colorado River, Mesa, clouds, valley, cliffs, mesa, NSUV03P03_04Hoodoo, outcropping, Spire, Sandstone, NSUV03P05_03Trees, Canyon, NSUV03P05_14NSUV03P06_02.2473NSUV03P06_04.2571Delicate Arch, NSUV03P06_05.2473NSUV03P06_13sandstone, cliff, rock, boulders, NSUV03P08_04Colorado River, silt, mud, muddy, water, calm, valley, NSUV03P08_10Tree, branches, leaves, NSUV03P08_19Mesa, Colorado River, Water, Dark Mean Clouds, scary, NSUV03P09_04Colorado River, Reflection, Sandstone Cliff, Stratum, Strata, layered, sedimentary rock, NSUV03P13_08Beehive Rock Formations, Layers, Canyonlands National Park, NSUV03P14_11Cliffs, Rock Formations, Colorado River, Canyonlands National Park, NSUV03P14_13Canyonlands National Park, NSUV03P15_08Colorado River, Canyonlands National Park, NSUV03P15_13.2571erosion, sandstone, texture, NSUV04P05_10erosion, sandstone, texture, NSUV04P05_12erosion, sandstone, texture, river meander, NSUV04P05_13snowy mountain range, forest, NSUV04P05_17BDelicate Arch, NSUV04P07_01Twin Sisters, outcropping, HooDoo, Spire, Sandstone, NSUV04P08_01.2571a massive arch, NSUV04P08_03butte, NSUV04P10_01.2571Zion National Park, NSUV04P11_05.2473Virgin River, Sandstone Cliffs, NSUV04P11_17Virgin River, NSUV04P12_08Tree, NSUV04P12_10Cliff, Stone, Zion National Park, NSUV04P12_13Tree, NSUV04P12_17.2571Tree, NSUV04P13_04Tree, NSUV04P14_02Sandstone Cliffs, butte outcrop, NSUV04P14_06Cliffs, Tree, Valley, NSUV04P14_16Autumn, Trees, Fall Colors, NSUV04P14_17.2571Virgin River, stones, Rocks, Sandstone Cliffs, clear water, NSUV05P02_01.2571Mountains, NSUV05P03_13Twigs in the Sand, Coral Pink Sand Dunes State Park, NSUV05P06_09.2571Shadow, Grass, Scrub, Coral Pink Sand Dunes State Park, Utah, USA, NSUV05P07_09Ripples in the Sand fractal, Coral Pink Sand Dunes State Park, Wavelets, NSUV05P07_15Sevier River, NSUV05P08_06.2473Bryce Canyon National Park, NSUV05P08_16Hoodoo, outcropping, Spire, Sandstone, NSUV05P09_07Arch, cliffs, NSUV05P14_16.2473Horseshoe Bend, Colorado River, Meander, curve, NSUV05P14_18.2473Rain, Virga, Rainy Clouds, sunset, mountains, NSUV06P02_05.2571Cumulus Clouds, east of Moab, Castle Valley, NSUV06P02_14.2571River, Cliffs, Cumulus Clouds, east of Moab, Castle Valley, Mesa, cliffs, geologic feature, mesa, NSUV06P02_18Knobs, geoform, mountains, Castle Valley, east of Moab, geologic feature, butte, NSUV06P03_05Gully, Mountains, Castle Valley, east of Moab, NSUV06P03_19Mesa, Castleton Tower, Mountains, knob, cumulus clouds, bush, geologic feature, butte, Castle Valley, east of Moab, NSUV06P04_09Mountains, clouds, Castle Valley, east of Moab, NSUV06P04_12Virga, Rain, Mountains, clouds, Castle Valley, east of Moab, Castleton Tower, geologic feature, butte, NSUV06P04_15Mountains, clouds, knob, Castle Valley, east of Moab, NSUV06P05_06geoforms, Mountains, Cumulus Clouds, NSUV06P05_14Balance Rock, geoforms, Knob, Clouds, geologic feature, spire, HooDoo, Sandstone, NSUV06P05_17BStone, Rock, geoforms, Knob, Clouds, Balance Rock, geologic feature, spire, HooDoo, Sandstone, NSUV06P05_19.2571Stone, Rock, geoforms, Knob, Clouds, Balance Rock, geologic feature, spire, HooDoo, Sandstone, NSUV06P06_02.2571Stone, Rock, Knob, Clouds, NSUV06P06_06Delicate Arch, Stone, Rock, Clouds, sun, Arches National Park, geologic feature, geoform, NSUV06P06_16Hikker, Person, Woman, Female, Delicate Arch, Clouds, geologic feature, geoform, NSUV06P07_09Delicate Arch, Clouds, geologic feature, geoform, NSUV06P07_18Sandstone Cliff, Stratum, Strata, Layered, Sedimentary rock, Pareidolia, NSUV06P08_11Delicate Arch, clouds, person, hiker, walker, geologic feature, geoform, NSUV06P08_13Pancake Columns, Sandstone Cliff, strata, Sedimentary Rock, NSUV06P09_05.2571Monument Valley, Clouds, NSUV06P11_07Lake Powell, water, NSUV06P11_19.2571Sandstone knob outcropping, Lone Tree, butte, Equanimity, NSUV06P12_12Valley, Sandstone Cliff, trees, stratum, strata, layered, sedimentary rock, stratified layers, geology, geological formations, NSUV06P12_16Valley, Sandstone Cliffs, trees, NSUV06P13_13.2571Tall Tree, NSUV06P13_19Grandview, Canyonlands National Park, geologic feature, butte, NSUV06P14_17frozen landscape, snow, ice, cold, Fractal Patterns, mountains, NSUV06P15_08frozen landscape, snow, ice, cold, Mountains, Fractal Patterns, NSUV06P15_15frozen landscape, snow, ice, cold, Mountains, Fractal Patterns, NSUV06P15_17Green River, Meandering, Fractal Patterns, Desert Landscape, Aerial, NSUV07P02_14meandering river, meander, Fractal Patterns, NSUV07P03_14NSUV07P04_13Lake Powell shoreline, shore, water, NSUV07P05_17Mexican Hat Rock, erosion, sandstone formation, HooDoo, Spire, NSUV07P07_09Cumulus Puffy Clouds, NSUV07P02_18Clouds and Mountain Range and Desert, NTXV01P02_13Mountain Range and clouds, NTXV01P02_19NTXV01P03_02NWEPCD0661_109Tuolumne River, Rapids, White Water, Stream, Splash, Wet, Liquid, Water, NWEV02P02_03.2879Waterfall, Wet, Liquid, Water, NWEV02P03_06CWaterfall, Wet, Liquid, Water, NWEV02P03_14.2879Cracks, Interstices, Cracked, Dirt, Earth, Dry, Arid, Drought, Dessicated, Parched, Craquelure, NWEV05P10_10.0145Cracks, Interstices, Cracked, Dirt, Earth, Dry, Arid, Drought, Dessicated, Parched, Craquelure, NWEV05P10_14.2880Cracks, Interstices, Cracked, Dirt, Earth, Dry, Arid, Drought, Dessicated, Parched, Craquelure, NWEV05P10_15B.3738Foam, Drakes Bay, Wet, Liquid, Water, NWEV07P15_13.2882The Lone Rock of Equanimity, Peace, Solitude, Quiet, Sand, Rock, Wet, quietude, tranquil, NWEV08P01_05Standing Wave, Ripple, Wet, Liquid, Water, NWEV08P01_07Standing fractal Wave, Ripple, Wet, Liquid, Water, wavelet, NWEV08P01_08the north side of Half Dome, NWGV01P03_10.2876Carson Valley, daytime, daylight, NWSV01P14_17Carson Valley, daytime, daylight, NWSV01P14_18.2862Carson Valley, daytime, daylight, NWSV01P14_19.2862Wispy Blue Sky fractals, Cirrus Clouds, NWSV09P06_07.1540differentiation in color, psyscape, NWSV15P10_15Cdaytime, daylight, NWSV15P10_16.0767ant walking on water, OEAV01P01_06B.0889Honey Bee, Poppy Flower, the garden at Esalen Institute, Big Sur, California, OEBV01P01_04Dragonfly, Anisoptera, OEDV01P01_13.3333Dragonfly, Anisoptera, OEDV01P01_15.0891Dragonfly, Anisoptera, OEDV01P02_01.3333Sunflower, Fields, OFFV07P10_09.2855Sunflower, Fields, OFFV07P10_13.0754Rows of Sunflower Plants in a Field, Dixon California, OFFV07P10_19.2855New Mexico, OFGV01P11_15BOregon in the fall, autumn, OFLV01P01_02Oregon in the fall, autumn, OFLV01P01_04.0218Cactus Flower, OFSV02P07_06.3300Ocotillo Cactus, (Fonquieria splendens), Joshua Tree National Monument, OFSV02P11_02.3300California Poppies, Joshua Tree National Monument, OFSV02P12_07.3300Barrel Cactus, Joshua Tree National Monument, OFSV02P12_10.3300Cactus Spines, prickly point, spike, OFSV02P14_04.3300Cactus Spines, prickly point, spike, OFSV02P14_05.3300OPAV01P06_02.0357cliff, sitting, pacific ocean, PAFPCD0652_026PAFPCD0652_027Bpsyscape, PAFPCD0654_059CHuman Figure, Trees, Ice, Snow, PAFPCD0655_056Human Figure, Trees, Ice, Snow, PAFPCD0655_057BHuman Figure, Trees, Ice, Snow, PAFPCD0655_066Human Figure, Trees, Ice, Snow, PAFPCD0655_070Human Figure, Trees, Ice, Snow, PAFPCD0655_074Pacific Ocean, Trees, road, Santa Cruz, PAFPCD0658_136BWashington State Coastline, PAFPCD0664_039ice, snow, cold, rock, granite, Frozen, Icy, Winter, PAFPCD0664_100lava cave, underground, cavern, fairy tale land, Magma, Lava Tube, Igneous Rock, PAFPCD3348_097At the base of Bridal Veil Falls, Yosemite National Park, Waterfall, PAFV02P13_17.2673Point Reyes National Seashore, PAFV04P04_17Grand Prismatic Spring, Yellowstone National Park, PAFV05P09_12.2675Cannon Beach, Pacific Ocean, sand, landmark rock, Haystack Rock, PAFV06P12_06.2676Man on a placid walk, Lake Merritt, PAFV07P03_04.2676the Marina, Golden Gate Bridge, Man Sitting, PBAV02P03_06Yleisradio, PBTV02P02_01People walking path, PBTV02P05_11PBTV03P02_08PBTV03P02_19Golden Gate Bridge, PBTV03P14_14living room, balcony, Sausalito, California, PDFV01P09_03Opening Day Crissy Field, Golden Gate Bridge, Pavilion Tent, People, Crowds, Buildings, 3rd May 2001, PFFV04P09_14Marching Band, PFPV01P04_05Tracy Marching Band, Pleasanton, PFPV01P04_19Marching Band, PFPV01P05_16Marching Band, PFPV01P06_11Crosswalk, Oakland, California, Walking, PFSV05P03_16PFSV05P03_19Hacienda Business Park Arch with a Wreath, PHCV01P07_01Hacienda Business Park Arch, Wreath, Cars, Street, 1980s, PHCV01P07_03reindeer, snowman, storybook scene, Christmas Lights, decoration, frontyard, house, home, spiral, Nipomo, PHCV02P06_02candy cane, storybook scene, Nipomo, PHCV02P06_11Scarecrow, Male, Female, Howdy, Fields, PHHV01P06_06Pleasanton, PLGV02P02_14goat, PLPV01P07_17PLPV01P07_18PLPV01P08_03Girl, smiles, smiling, cute, PLPV12P06_14Drunken Homeless, Drunkard, POUV01P03_08Drunken Homeless, Drunkard, POUV01P03_09Bsquad car, Fort Point, Golden Gate Bridge Splash, PRLV01P03_06Squad car, CHP, Snow, Interstate Highway I-5, The Grapevine Grade, PRLV01P07_06Cherry Tree Blossom, springtime, spring, PTGV01P13_06Mormon Temple, RCTV04P15_12Pig Face, cute, funny, nose, ears, smile, happy face, Pareidolia, RVCV01P08_03.2651Pfeiffer Beach, Sand, Sandy, Hills, Canyon, coastal, coast, RVLPCD0656_016BGirls on a Foggy Day at the Beach, waves, RVLV02P06_06B.2653Sand, Beach, Pacific Ocean, Peaceful, Equanimity, RVLV02P15_11.2654Drakes Bay, pacific ocean, water, beach, sand, RVLV03P07_13.2654pacific ocean, water, beach, sand, sun, Drakes Bay, RVLV03P07_14.2654Sailing with the Golden Gate Bridge, SALV01P02_11Golden Gate Bridge, Windy Day on the Bay, SALV01P03_12Golden Gate Bridge, sailing out into the ocean, SALV01P05_02Calm Wind Day at Golden Gate Bridge, SALV01P13_19Pelicans, Golden Gate Bridge, SALV02P13_07.2655Windy Sunny Day Golden Gate Bridge, whitecaps, SALV02P15_05Spinnakers in the Wind, SALV02P15_12Windy Sailing, SALV04P02_02Golden Gate Bridge and Sailboat, SALV04P04_16Golden Gate Bridge, SALV04P05_03Golden Gate Bridge and Spinnaker, SALV04P05_05Golden Gate Bridge, SALV04P05_19Golden Gate Bridge, SALV04P06_17SALV04P08_19Golden Gate Bridge, SALV04P12_14Golden Gate Bridge, SBYV02P07_17Golden Gate Bridge, SBYV03P03_16.2662Golden Gate Bridge, SBYV03P03_17Golden Gate Bridge, SFIV01P06_05Lake, Fishing Boat, Fall Colors, Autumn, Bucolic, Reflection, SFIV01P13_17.2658Cattle Roundup under the Rocky Mountains, Wyoming, SHRV01P08_11.0167Rocky Mountains, Wyoming, SHRV01P08_16Girl on Horseback, Rope, Rocky Mountains, Wyoming, SHRV01P08_18SHRV01P13_01SHRV01P13_09Golden Gate Bridge, Flying a Kite, SKTV01P06_11Cars, lawn, Marin Headlands, Golden Gate Bridge, Flying a Kite, SKTV01P06_16outrigger, SRKV01P03_18.2659Rafts on the Shore, Water, Reflection, Colorado River, rafting, SRKV01P08_07.2659SRKV02P01_02BCanoe, SRKV02P01_07BSRSV01P10_04.2659SRSV01P10_07feathers, Native American, Indian, man, male, costume, Moccasin, SRSV03P10_19sunset, water, runner, woman, female, reflection, buildings, Lake Merritt, SRSV04P02_06Lake Merritt, SRSV04P04_12Start Line, starting, runners, Oakland Half Marathon, crowded, Tribune Tower, building, SRSV04P05_01runners, Oakland Half Marathon, SRSV04P05_03runners, Oakland Half Marathon, Tribune Building, SRSV04P05_04runners, Oakland Half Marathon, Lake Merritt, SRSV04P05_08Footpath, Volo Bog State Natural Area, STHV01P12_10Naval Auxiliary Field, south of Crows Landing, California Aqueduct, TAAV12P09_13Grumman G-164 Ag-Cat, Radial Piston Engine, TABV01P07_06Boeing 737, Southwest Airlines SWA, Catering Truck, Scissor Lift, Highlift, TAFV18P15_04BDetroit, Navion head-on, TAGV01P03_07Bell 206 JetRanger, Landing Shadow, Mudflats, TAHV01P09_12Lava Flows into the Pacific Ocean, Bell 206 JetRanger, TAHV01P10_10Crop Dusting, Aerial Spraying, Pesticide, Hiller UH-12, Central Valley, sprayer, TAHV01P12_10BCrop Dusting, Aerial Spraying, Pesticide, Hiller UH-12, Central Valley, TAHV01P12_12Crop Dusting, Aerial Spraying, Pesticide, Hiller UH-12, Central Valley, TAHV01P12_13.0168Kill Devil Hills, Wright Flyer, milestone of flight, TARV01P01_04Whaleback Ledge Lighthouse, Kittery, Maine, East Coast, Eastern Seaboard, Atlantic Ocean, TLHV01P04_13.1714Yaquina Head Lighthouse, Oregon, West Coast, Pacific Ocean, TLHV01P07_02Umpqua River Lighthouse, Oregon, West Coast, Pacific Ocean, TLHV01P07_14Cape Neddick Lighthouse, Maine, Atlantic Ocean, Eastern Seaboard, East Coast, TLHV01P11_09Cape Arago Lighthouse, Chief's Island, Oregon, West Coast, Pacific Ocean, TLHV01P12_12Cable for the Golden Gate Bridge, TMKV01P02_13Sand Dunes, Tiretracks, TODV01P03_09.1714Tiretracks, Sand Dunes, Oregon Coast, TODV01P03_10.1714Tiretracks, Sand Dunes, TODV01P03_18.1714Sand Dunes, Tire Tracks, Sand, Beach, Ocean, TODV01P06_04Open Pit Mine, Gravel, Aggergate, TOMV01P01_08.1714Bonneville, Tower, TPDV01P12_02.3482Pumping Station, Pipeline, TPHV01P13_18Woodland, Fontana Dam, Little Tennessee River, North Carolina, TVA, Tennessee Valley Authority, autumn, TPHV01P14_04Fontana Dam, Little Tennessee River, North Carolina, TVA, Tennessee Valley Authority, TPHV01P14_09Solar Reflectors, Collectors, TPSV01P01_15Solar Reflectors, Collectors, TPSV01P02_02Solar Reflectors, Collectors, TPSV01P02_10Photovoltaic Solar Cells, Heliostats, TPSV01P06_18
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