TY  - RPRT
TI  - Changes in stratigraphic nomenclature by the U.S. Geological Survey, 1975
AU  - George Vincent Cohee
AU  - W.B. Wright
PY  - 1976
DO  - 10.3133/b1422a
UR  - https://pubs.usgs.gov/publication/b1422A
ID  - b1422A
ER  -