TY  - RPRT
TI  - Changes in stratigraphic nomenclature by the U.S. Geological Survey, 1966
AU  - George Vincent Cohee
AU  - Walter S. West
AU  - Lorna C. Wilkie
PY  - 1967
DO  - 10.3133/b1254a
UR  - https://pubs.usgs.gov/publication/b1254A
ID  - b1254A
ER  -