TY  - RPRT
TI  - Characteristic marine molluscan fossils from the Dakota sandstone and intertongued Mancos Shale, west-central New Mexico
AU  - William Aubrey Cobban
PY  - 1977
DO  - 10.3133/pp1009
UR  - https://pubs.usgs.gov/publication/pp1009
ID  - pp1009
ER  -