Little Missouri Natl Grasslands, ND (0434) Little Missouri Natl Grasslands, ND (0430) Little Missouri Natl Grasslands, ND (0429) Little Missouri Natl Grasslands, ND (0427) Little Missouri Natl Grasslands campground, ND (04… Little Missouri Natl Grasslands, ND (0423) Theodore Roosevelt Natl Park, ND bighorn sheep (04… Theodore Roosevelt Natl Park, ND bighorn sheep (04… Theodore Roosevelt Natl Park, ND bighorn sheep (04… Theodore Roosevelt Natl Park, ND bighorn sheep (04… Theodore Roosevelt Natl Park, ND (0444) Grassy Butte, ND oil development (0443) Grassy Butte, ND oil development (0442) Grassy Butte, ND (0440) Grassy Butte, ND (0439) Belfield, ND (0438) Belfield, ND (0437) Theodore Roosevelt Natl Park, ND (0485) Theodore Roosevelt Natl Park, ND (0477) Theodore Roosevelt Natl Park, ND (0475) Theodore Roosevelt Natl Park, ND CCC (0474) Theodore Roosevelt Natl Park, ND CCC (0471) Theodore Roosevelt Natl Park, ND CCC (0469) Little Missouri Natl Grasslands oil field, ND (043… Baker, MT (0405) Marmarth, ND (0407) Marmarth, ND (0409) Marmarth, ND (0411) Marmarth, ND (0412) Marmarth, ND (0410) Bowman county, ND (0413) Bowman county, ND (0415) Bowman county, ND (0416) Rhame, ND railroad (0417) Rhame, ND railroad (0419) Bowman, ND (0421) Bowman, ND (0422) Slim Buttes, SD memorial (0393) Slim Buttes, SD memorial (0382) Slim Buttes, SD memorial (0383) Slim Buttes, SD memorial (0388) Slim Buttes, SD memorial (0389) Slim Buttes, SD memorial (0390) Slim Buttes, SD memorial (0392) Slim Buttes, SD Castles (0396)