13443594 - Dakota Native American man, 19th century illustration13511880 - Supercell thunderstorm over the plains of South Dakota, USA13511879 - Mammatus clouds over abandoned farmstead, North Dakota, USA13511875 - Shelf cloud, South Dakota, USA13218923 - Wind Cave National Park, South Dakota, USA12960512 - Windfarm,North Dakota,USA12960511 - Windfarm,North Dakota,USA12960510 - Windfarm,North Dakota,USA12960509 - Windfarm,North Dakota,USA12960508 - Windfarm,North Dakota,USA12960507 - Windfarm,North Dakota,USA12950413 - Soya bean harvest, North Dakota, USA12950412 - Soya bean harvest, North Dakota, USA12950411 - Soya bean harvest, North Dakota, USA12950410 - Soya bean harvest, North Dakota, USA12950409 - Soya bean harvest, North Dakota, USA12950408 - Soya bean harvest, North Dakota, USA12950407 - Soya bean harvest, North Dakota, USA12639074 - Mount Rushmore National Memorial, South Dakota12634531 - Bighorn Sheep, South Dakota, USA12634530 - Tunnel through Rock, South Dakota, USA12634529 - The Needles, South Dakota, USA12583631 - Rope tornado at night, South Dakota, USA12447732 - Badlands National Park, South Dakota, USA12447731 - Badlands National Park, South Dakota, USA12447730 - Badlands National Park, South Dakota, USA12447729 - Sunset over Badlands National Park, South Dakota, USA12447728 - Sunset over Badlands National Park, South Dakota, USA12447727 - Sunset over Badlands National Park, South Dakota, USA12447726 - Sunset over Badlands National Park, South Dakota, USA12421912 - Hay bales, South Dakota, USA12421911 - Haakon County, South Dakota, USA12421910 - Haakon County, South Dakota, USA12421909 - Sunflower field, South Dakota, USA12421908 - Sunflower field, South Dakota, USA12421907 - Sunflower field, South Dakota, USA12325191 - Supercell thunderstorm, South Dakota, USA12325189 - Supercell thunderstorm and lightning, South Dakota, USA12325187 - Supercell thunderstorm, South Dakota, USA12325184 - Storm over farmhouse, North Dakota, USA12325174 - Tornado, South Dakota, USA12058159 - Badlands of North Dakota12058144 - 'Badlands,South Dakota'12048831 - Sandstone Cannonball,North Dakota12048830 - Sandstone Cannonball,North Dakota12048829 - Geologic Concretion,North Dakota12048828 - Geologic Concretion,North Dakota12047781 - South Dakota Prairie12047625 - South Dakota Prairie12025070 - South Dakota Prairie12023443 - South Dakota Tornado12023442 - South Dakota Tornado12023429 - South Dakota Storm12023426 - South Dakota Supercell12023423 - South Dakota Supercell12023422 - South Dakota Supercell12023419 - South Dakota Mammatus Clouds12023403 - South Dakota Lightning12023398 - North Dakota Supercell12019022 - Cathedral Spires,South Dakota,USA12000087 - Barite from S. Dakota and Colorado11728982 - Farming in South Dakota,USA11728981 - Farming in South Dakota,USA11728980 - Farming in South Dakota,USA11684245 - Supercell thunderstorm,South Dakota,USA11657336 - Supercell thunderstorm,S. Dakota,USA11641103 - Lake Sakakawea,North Dakota,ISS image11635260 - Minot,North Dakota,USA,satellite image11633024 - Storm chasing,South Dakota,USA11601844 - Fargo,North Dakota,USA,satellite image11580081 - Lignite Coal,North Dakota,USA11580073 - Siliceous Limestone,North Dakota,USA11580070 - Catlinite,South Dakota,USA13502172 - Native American Sioux Indians Playing Ball Game12916186 - Conflict between General George Custer and Crazy Horse12902769 - Aborigines of North America', 187312898917 - Smoothing the Place Dance, c1889-191312377960 - Potato leafhopper, SEM12300757 - Potato leafhopper, SEM12300756 - Potato leafhopper, SEM12300755 - Potato leafhopper, SEM12018866 - Stone Mushroom12015879 - Sandstone Cliffs,Colorado12001186 - 'Rock City,Kansas'11704178 - Oil workers' accommodation,USA11677435 - Detail of fossil tortoise shell11651035 - Fossil leaf11641971 - Gold stamp mill,USA,188811633841 - Sunflower seed board11633840 - Sunflower seed board