TY  - RPRT
TI  - Preliminary photogeologic map of the Chaco Canyon 1 15-minute quadrangle, McKinley County, New Mexico
AU  - Willard L. McIntosh
PY  - 1975
DO  - 10.3133/ofr75542
UR  - https://pubs.usgs.gov/publication/ofr75542
ID  - ofr75542
ER  -