TY  - RPRT
TI  - The coal resources of Gunnison Valley, Mesa and Delta Counties, Colorado. The Tijeras coal field, Bernalillo County, New Mexico
AU  - E. G. Woodruff
AU  - W. T. Lee
PY  - 1912
DO  - 10.3133/b471h
UR  - https://pubs.usgs.gov/publication/b471H
ID  - b471H
ER  -