. . . . . . . . . . "Final report of the United States geological survey of Nebraska and portions of the adjacent territories, made under the direction of the commissioner of the General land office" . "Final report of the United States geological survey of Nebraska and portions of the adjacent territories, made under the direction of the commissioner of the General land office"@en . . . . . . "Final report of the United States Geological Survey of Nebraska and portions of the adjacent territories : made under the direction of the Commissioner of the General Land Office"@en . . . . . . . . . "Final report of the United States Geological survey of Nebraska and portions of the adjacent territories made under the direction of the commissioner of the General land office"@en . . . . "Final report of the United States Geological survey of Nebraska and portions of the adjacent territories, made under the direction of the commissioner of the General land office"@en . . . . . . . . .