TY  - RPRT
TI  - Stratigraphic notes, 1992: Four short papers propose changes in stratigraphic nomenclature in Vermont, Virginia, Maryland, and the District of Columbia
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1994
DO  - 10.3133/b2060
UR  - https://pubs.usgs.gov/publication/b2060
ID  - b2060
ER  -