TY  - RPRT
TI  - Preliminary geologic and structure contour maps of the Hard Ground Flats Quadrangle, McKinley County, New Mexico
AU  - A. R. Kirk
AU  - R. S. Zech
PY  - 1976
DO  - 10.3133/ofr76859
UR  - https://pubs.usgs.gov/publication/ofr76859
ID  - ofr76859
ER  -