TY  - RPRT
TI  - Geologic map of the Annandale quadrangle, Fairfax and Arlington Counties, and Alexandria City, Virginia
AU  - Avery Ala Drake
AU  - A.J. Froelich
PY  - 1986
DO  - 10.3133/gq1601
UR  - https://pubs.usgs.gov/publication/gq1601
ID  - gq1601
ER  -