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.)