TY  - RPRT
TI  - Preliminary geologic map of the Twin Lakes Quadrangle, McKinley County, New Mexico
AU  - R. S. Zech
PY  - 1980
DO  - 10.3133/ofr8077
UR  - https://pubs.usgs.gov/publication/ofr8077
ID  - ofr8077
ER  -