TY  - RPRT
TI  - Copper and uranium in Pennsylvanian and Permian sedimentary rocks, northern Sangre de Cristo Range, Colorado
AU  - David A. Lindsey
AU  - Reino F. Clark
PY  - 1995
DO  - 10.3133/b2116
UR  - https://pubs.usgs.gov/publication/b2116
ID  - b2116
ER  -