Alaska (Prince of Wales Island), Copper Mountain and vicinity /
Sargent, R. H.
Geological Survey (U.S.)
U.S. Coast and Geodetic Survey.
[Washington, D.C.] : U.S. Geological Survey,
[1909?]
Relief shown by contours and spot heights.
"Surveyed in 1908."
In lower right corner: Alaska sheet no. 540B
At center of top margin: Topography.
"Contour interval 100 feet."