TY  - RPRT
TI  - Geologic Map of the San Luis Quadrangle, Costilla County, Colorado
AU  - Michael N. Machette
AU  - Ren A. Thompson
AU  - Benjamin J. Drenth
PY  - 2008
DO  - 10.3133/sim2963
UR  - https://pubs.usgs.gov/publication/sim2963
ID  - sim2963
ER  -