Omaha and vicinity /
Geological Survey (U.S.)
Walcott, Charles D.(Charles Doolittle),1850-1927.
Gannett, Henry,1846-1914.
Renshawe, J. H.(John Henry),1852-
Hawkins, George T.,1863-1938.
Wallace, H. S.
[Washington, D.C. : The Survey,
1898]
"Surveyed in 1893 and 1898."
Relief shown by contours.
"Nebraska, Iowa"--Upper right margin.