TY  - RPRT
TI  - Section of Pierre Shale measured in the Florence and Canon City quadrangles, Colorado
AU  - James R. Gill
AU  - W. A. Cobban
AU  - G. R. Scott
AU  - R.E. Burkholder
PY  - 1972
DO  - 10.3133/ofr72131
UR  - https://pubs.usgs.gov/publication/ofr72131
ID  - ofr72131
ER  -