TY  - RPRT
TI  - Map showing mineral resources of Fairfax County, Virginia; availability and planning for future needs
AU  - A.J. Froelich
PY  - 1976
DO  - 10.3133/ofr76660
UR  - https://pubs.usgs.gov/publication/ofr76660
ID  - ofr76660
ER  -