TY  - RPRT
TI  - Notes to accompany preliminary geologic map of Fairfax, Virginia and (part) Seneca, Virginia-Maryland quadrangles
AU  - Allan P. Bennison
AU  - Charles Milton
PY  - 1950
DO  - 10.3133/ofr5011
UR  - https://pubs.usgs.gov/publication/ofr5011
ID  - ofr5011
ER  -