TY  - RPRT
TI  - Bedrock map of the Annandale Quadrangle, Virginia
AU  - A. C. Huffman
AU  - A.J. Froelich
PY  - 1975
DO  - 10.3133/ofr75262
UR  - https://pubs.usgs.gov/publication/ofr75262
ID  - ofr75262
ER  -