Contour interval 100 feet. Datum is mean sea level., Dissected and mounted on linen., Includes examples of "Conventional signs" used on the map in the upper right margin., and Relief shown by contours and spot heights.
Publisher:
Engraved and printed by the U.S. Geological Survey,
"Advance sheet. Subject to correction.", Includes inset index map showing areas mapped by individual topographers., Relief shown by contours and spot heights., and Topography by R.H. Sargent and C.G. Anderson.
Publisher:
Geological Survey,
Subject (Geographic):
Iditarod River Region (Alaska)--Maps, Innoko River Region (Alaska)--Maps, Kuskokwim Mountains (Alaska)--Maps, and Kuskokwin River Region (Alaska)--Maps
Subject (Name):
Anderson, C. G. (Cleland George), 1879- and Sargent, Rufus Harvey, b. 1875
At head of title: Department of the Interior, United States Geological Survey, J.W. Powell, director. and Contour lines drawn at 100, 500, 1000, 1500, 2000, and thence upward at each 1000 feet above sea level.
Publisher:
Engraved by Julius Bien & Co.,
Subject (Geographic):
United States--Maps
Subject (Name):
Gannett, Henry, 1846-1914 and King, Harry, (Harold G. R.)