Topographic map of the northern portion of Seward Peninsula, Alaska. Scale 1:250,000 / 
Gerdine, T. G.
Robertson, R. B.
Witherspoon, D. C.
Julius Bien & Co.
[Washington, D.C. :  Department of the Interior, 
1902]
In: United States Geological Survey. Professional Paper. No. 2. Pl. 12.