TY  - RPRT
TI  - Data, software and applications for education and research in geology; Virginia
AU  - R.A. Ambroziak
AU  - G.R. Woodwell
AU  - C.A. Cook
AU  - R.E. Wicks
PY  - 1993
DO  - 10.3133/ofr93231
UR  - https://pubs.usgs.gov/publication/ofr93231
ID  - ofr93231
ER  -