"Nebraska" . . "United States" . . "North Dakota" . . . . "Explorer on the northern plains : Lieutenant Gouverneur K. Warren's preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57"@en . . . . "Explorer on the northern plains : Lieutenant gouverneur K. Warren's preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57" . . . . . . . . . . "Explorer on the northern plains : Lieutenant Gouverneur K. Warren's preliminary report of explorations in Nebraska and Dakota in the years 1855-'56-'57 ; introduction by Frank N. Schubert"@en . . . "Explorer on the northern plains Lieutenant Gouverneur K. Warren's Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57"@en . . . . . "Explorer on the Northern plains : lieutenant Gouverneur K. Warren's preliminary report of explorations in Nebraska and Dakota, in the years 1855 -'56 -'57" . . . . . . . . . . . . "Explorer on the northern plains : Lieutenant Gouverneur K. Warren's Prelim. report of explorations in Nebraska and Dakota, in the years 1855-'56-'57" . . "Explorer on the northern plains : Lieutenant Gouverneur K. Warren's Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57"@en . . "Middle West" . . "Topografie militară 1855-1857 Statele Unite ale Americii." . . "South Dakota" . . . .