TY  - RPRT
TI  - Early Mesozoic basins workshop Fieldtrip No. 2; Base- and pecious-metal occurrences in the Culpeper basin, northern Virginia
AU  - J. P. Smoot
AU  - G.R. Robinson
PY  - 1987
DO  - 10.3133/ofr87252
UR  - https://pubs.usgs.gov/publication/ofr87252
ID  - ofr87252
ER  -