TY  - RPRT
TI  - Changes in stratigraphic nomenclature by the U. S. Geological Survey, 1970
AU  - G. V. Cohee
AU  - R. G. Bates
AU  - W.B. Wright
PY  - 1971
DO  - 10.3133/b1354a
UR  - https://pubs.usgs.gov/publication/b1354A
ID  - b1354A
ER  -