Map of the bering river coal field : showing distribution of the various kinds of coal and location of the coal sections and coal samples described in Bulletin 335
by G.C. Martin ; assisted by A.G. Maddren ; surveyed in 1905 and 1906
Bok Engelsk 1915 George Curtis Martin
| Utgitt | Washington : U.S. Geological Survey , 1915
|
|---|---|
| Omfang | 1 kart : kol.
|
| Opplysninger | Også med tittel: Alaska, Bering River coal field
|
| Emner |
