Areal geology of Alaska,
by Philip S. Smith.
- Washington, U.S. Govt. print. off., 1939.
- iv, 100 p. 18 pl. (incl. 6 fold. maps, fold. chart) 29 cm.
- United States. Geological survey. Professional paper 192 .
At head of title: United States Department of the interior ... Geological survey. Five folded maps and folded chart in pocket.