TY  - RPRT
TI  - Aeromagnetic map of the Roxboro Quadrangle, Person and Granville counties, North Carolina
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1971
DO  - 10.3133/gp749
UR  - https://pubs.usgs.gov/publication/gp749
ID  - gp749
ER  -