TY  - RPRT
TI  - Geologic map of the Durango Quadrangle, southwestern Colorado
AU  - T. A. Steven
AU  - P. W. Lipman
AU  - W. J. Hail
AU  - Fred Barker
AU  - R. G. Luedke
PY  - 1974
DO  - 10.3133/i764
UR  - https://pubs.usgs.gov/publication/i764
ID  - i764
ER  -