TY  - RPRT
TI  - Stratigraphy and paleontology of Mid-Cretaceous rocks in Minnesota and contiguous areas
AU  - William Aubrey Cobban
AU  - E.A. Merewether
PY  - 1983
DO  - 10.3133/pp1253
UR  - https://pubs.usgs.gov/publication/pp1253
ID  - pp1253
ER  -