TY  - RPRT
TI  - Preliminary geologic and structure contour maps of the Big Rock Hill Quadrangle, McKinley County, New Mexico
AU  - A. R. Kirk
AU  - R. S. Zech
PY  - 1978
DO  - 10.3133/ofr78115
UR  - https://pubs.usgs.gov/publication/ofr78115
ID  - ofr78115
ER  -