TY  - RPRT
TI  - Brachiopoda of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming
AU  - Mackenzie Gordon
PY  - 1975
DO  - 10.3133/pp848d
UR  - https://pubs.usgs.gov/publication/pp848D
ID  - pp848D
ER  -