... The Book Cliffs coal field in Garfield and Mesa counties, Colorado,
Erdmann, C. E. 1897-
The Book Cliffs coal field in Garfield and Mesa counties, Colorado, by Charles E. Erdmann. - Washington, U.S. Govt. print. off., 1934. - vi, 150 p. incl. illus., tables. 21 pl. (incl. fold. col. map (in pocket) fold. diagrs.) 23 1/2 cm. - U.S. Geological survey. Bulletin 851 .
At head of title: United States Department of the interior.
Bibliographical foot-notes.
gs 35000084
Coal mines and mining--Colorado.
Geology--Colorado.
QE75 / .B9 no. 851
I 19.3:851
The Book Cliffs coal field in Garfield and Mesa counties, Colorado, by Charles E. Erdmann. - Washington, U.S. Govt. print. off., 1934. - vi, 150 p. incl. illus., tables. 21 pl. (incl. fold. col. map (in pocket) fold. diagrs.) 23 1/2 cm. - U.S. Geological survey. Bulletin 851 .
At head of title: United States Department of the interior.
Bibliographical foot-notes.
gs 35000084
Coal mines and mining--Colorado.
Geology--Colorado.
QE75 / .B9 no. 851
I 19.3:851