TY  - RPRT
TI  - Clay minerals of the Front Range; a field guide to the geology, history, and clay mineralogy of the Chieftain Mine, Dinosaur Ridge, Patch Mine, and other localities along the Front Range from Denver to Boulder, Colorado
AU  - Daniel E. Kile
PY  - 2002
DO  - 10.3133/ofr02413
UR  - https://pubs.usgs.gov/publication/ofr02413
ID  - ofr02413
ER  -