TY  - RPRT
TI  - The Yampa Bed — A regionally extensive tonstein in the Williams Fork Formation, northwestern Piceance Creek and southern Sand Wash Basins, Colorado
AU  - Michael E. Brownfield
AU  - Edward A. Johnson
PY  - 2008
DO  - 10.3133/sir20085033
UR  - https://pubs.usgs.gov/publication/sir20085033
ID  - sir20085033
ER  -