TY  - RPRT
TI  - Coal fields of the Danforth Hills and Grand Hogback in northwestern Colorado. The Book Cliffs coal field, between Grand River, Colorado, and Sunnyside, Utah. The Durango coal district, Colorado. The Pleasant Valley coal district, Carbon and Emery Counties, Utah. The Iron County coal field, Utah
AU  - H. S. Gale
AU  - G. B. Richardson
AU  - J. A. Taff
AU  - W. T. Lee
PY  - 1907
DO  - 10.3133/b316e
UR  - https://pubs.usgs.gov/publication/b316E
ID  - b316E
ER  -