TY  - RPRT
TI  - Aeroradioactivity map of parts of southeastern Virginia
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1978
DO  - 10.3133/ofr78601
UR  - https://pubs.usgs.gov/publication/ofr78601
ID  - ofr78601
ER  -