TY  - RPRT
TI  - Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas
AU  - James R. Gill
AU  - William Aubrey Cobban
AU  - Leonard Gene Schultz
PY  - 1972
DO  - 10.3133/pp728
UR  - https://pubs.usgs.gov/publication/pp728
ID  - pp728
ER  -