TY  - RPRT
TI  - Stratigraphic nomenclature databases for the United States, its possessions and territories
AU  - M. E. MacLachlan
AU  - Cynthia R. Murdock
AU  - Marilyn L. Hubert
PY  - 1994
DO  - 10.3133/ds6rel2
UR  - https://pubs.usgs.gov/publication/ds6rel2
ID  - ds6rel2
ER  -