TY  - RPRT
TI  - Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado
AU  - R. L. Harbour
AU  - G. H. Dixon
PY  - 1959
DO  - 10.3133/b1072g
UR  - https://pubs.usgs.gov/publication/b1072G
ID  - b1072G
ER  -