Cataloged map
Map of the Bering River coal field, showing distribution of the various kinds of coal and location of coal sections and coal samples described in bulletin 335 / by G.C. Martin ; assisted by A.G. Maddren ; Alfred H. Brooks, geologist in charge
Institution:Vrije University Amsterdam
Full title:Map of the Bering River coal field, showing distribution of the various kinds of coal and location of coal sections and coal samples described in bulletin 335 / by G.C. Martin ; assisted by A.G. Maddren ; Alfred H. Brooks, geologist in charge
Depicted:1915
Publisher:[Washington, D.C. : U.S. Geological Survey]
Map scale:1:62 500