TY  - RPRT
TI  - Preliminary Geologic Map of the Culebra Peak Area, Sangre de Cristo Mountains, Las Animas and Costilla Counties, Colorado
AU  - Christopher J. Fridrich
AU  - Robert M. Kirkham
PY  - 2008
DO  - 10.3133/ofr20071428
UR  - https://pubs.usgs.gov/publication/ofr20071428
ID  - ofr20071428
ER  -