TY  - RPRT
TI  - Geologic map of the Hard Ground Flats quadrangle, McKinley County, New Mexico
AU  - A. R. Kirk
AU  - R. S. Zech
PY  - 1987
DO  - 10.3133/gq1592
UR  - https://pubs.usgs.gov/publication/gq1592
ID  - gq1592
ER  -