TY  - BOOK
AU  - Fenneman,Nevin Melancthon
AU  - Gale,Hoyt S.
AU  - Campbell, Marius R.
TI  - The Yampa coal field, Routt county, Colorado
T2  - U.S. Geological survey. Bulletin
AV  - QE75 .B9 no. 297
PY  - 1906///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Coal
KW  - Colorado
N1  - Subject series: A, Economic geology, 84; B, Descriptive geology, 104; Issued also as House doc. no. 936, 59th Cong., 1st sess; Literature : p. 11; Includes index
ER  -