Colockum Pass (1922)<br>Washington 1:125,000 topographic quadrangles

Colockum Pass (1922)<br>Washington 1:125,000 topographic quadrangles

Washington (State) -- Maps, Topographic

1 map : col. ; 45 x 31 cm. or smaller<br>Relief shown by contours and spot heights<br>Title supplied by cataloger<br>Set includes various editions<br>"Surveyed in 1919-1920"<br>"Contour interval 50 feet. Datum is mean sea level."<br>Diagram depicts which topographers were responsible for which areas of the map<br>Scale 1:125,000 ; polyconic proj. (W 120°30--W 120°00/N 47°15--N 47°00)

U.S. Geological Survey<br>Birdseye, C.H.<br>Gerdien, T.G.<br>Berry, R.W.<br>Duke, Basil<br>Carson, W.G.<Br>Robertson, R.B.<br>Semper, C.H.<br>Farmer, R.A.

University of Washington Libraries Map Collection

Washington, D.C. : The Survey

1922

University of Washington Libraries Map Collection

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From the series: Washington 1:125,000 topographic quadrangles

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Maps<br>Topographic Maps

topo35<br>WA 30: Colockum Pass 1922

United States -- Washington (State) -- Chelan County
United States -- Washington (State) -- Kittitas County
Columbia River