TY  - RPRT
TI  - Geologic map of the Fairfax quadrangle, Fairfax County, Virginia
AU  - Avery Ala Drake
PY  - 1986
DO  - 10.3133/gq1600
UR  - https://pubs.usgs.gov/publication/gq1600
ID  - gq1600
ER  -