TY  - RPRT
TI  - Preliminary geologic and engineering review of the Franconia area, Fairfax County, Virginia
AU  - Stephen F. Obermeier
AU  - A.J. Froelich
PY  - 1976
DO  - 10.3133/ofr76273
UR  - https://pubs.usgs.gov/publication/ofr76273
ID  - ofr76273
ER  -