TY  - RPRT
TI  - Preliminary geologic map of the Redrock Valley NE quadrangle, Apache Co., Arizona and San Juan Co., New Mexico
AU  - C. A. Huffman
PY  - 1977
DO  - 10.3133/ofr77227
UR  - https://pubs.usgs.gov/publication/ofr77227
ID  - ofr77227
ER  -