TY  - RPRT
TI  - New evidence on the age of the top of the Madison Limestone (Mississippian), Bighorn Mountains, Wyoming and Montana
AU  - William Jasper Sando
AU  - Bernard L. Mamet
PY  - 1974
UR  - https://pubs.usgs.gov/publication/70232499
ID  - 70232499
ER  -