TY  - RPRT
TI  - Changes in stratigraphic nomenclature by the U.S. Geological Survey, 1978
AU  - Norman F. Sohl
AU  - W.B. Wright
PY  - 1979
DO  - 10.3133/b1482a
UR  - https://pubs.usgs.gov/publication/b1482A
ID  - b1482A
ER  -