Keith Olstad:
Medora overlook; Teddy Roosevelt National Park, North Dakota P1030594
Keith Olstad:
Black-tailed Prairie Dog town; Teddy Roosevelt National Park, North Dakota P1030595
Keith Olstad:
Black-tailed Prairie Dog; Teddy Roosevelt National Park, North Dakota 5767
Keith Olstad:
Black-tailed Prairie Dog; Teddy Roosevelt National Park, North Dakota 5764
Keith Olstad:
Black-tailed Prairie Dog; Teddy Roosevelt National Park, North Dakota 5786
Keith Olstad:
Black-tailed Prairie Dog; Teddy Roosevelt National Park, North Dakota 5790
Keith Olstad:
Lark Sparrow; Teddy Roosevelt National Park, North Dakota 5771
Keith Olstad:
Vista 6; Teddy Roosevelt National Park, North Dakota P1030597
Keith Olstad:
American Bison, bull; Teddy Roosevelt National Park, North Dakota 5778
Keith Olstad:
American Bison, bull; Teddy Roosevelt National Park, North Dakota 5781
Keith Olstad:
American Bison, bull; Teddy Roosevelt National Park, North Dakota P1030596
Keith Olstad:
American Bison, bull; Teddy Roosevelt National Park, North Dakota P1030602
Keith Olstad:
American Bison, cow with calf; Teddy Roosevelt National Park, North Dakota 5820
Keith Olstad:
Yellow-breasted Chat, male; Teddy Roosevelt National Park, North Dakota 5794
Keith Olstad:
Mountain Bluebird, female; Teddy Roosevelt National Park, North Dakota 5796
Keith Olstad:
Lazuli Bunting, male; Teddy Roosevelt National Park, North Dakota 5800
Keith Olstad:
Lazuli Bunting, male; Teddy Roosevelt National Park, North Dakota 5798
Keith Olstad:
Lazuli Bunting, male; Teddy Roosevelt National Park, North Dakota 5805
Keith Olstad:
American Goldfinch, male; Teddy Roosevelt National Park, North Dakota 5813
Keith Olstad:
Mourning Dove; Teddy Roosevelt National Park, North Dakota 5806
Keith Olstad:
Brown-headed Cowbird, male; Teddy Roosevelt National Park, North Dakota 5816
Keith Olstad:
Vista 5; Teddy Roosevelt National Park, North Dakota P1030598
Keith Olstad:
Gulch; Teddy Roosevelt National Park, North Dakota 5829
Keith Olstad:
Stump; Teddy Roosevelt National Park, North Dakota 5828
Keith Olstad:
American Bison corpse; Teddy Roosevelt National Park, North Dakota 5826
Keith Olstad:
Vista; Teddy Roosevelt National Park, North Dakota 5831
Keith Olstad:
Vista 4; Teddy Roosevelt National Park, North Dakota P1030599
Keith Olstad:
Wild horses; Teddy Roosevelt National Park, North Dakota 5846
Keith Olstad:
Wild horses; Teddy Roosevelt National Park, North Dakota 5851
Keith Olstad:
Wild horses; Teddy Roosevelt National Park, North Dakota P1030601
