TY  - RPRT
TI  - Application of aerial gamma-ray spectrometric and magnetic surveys in geologic mapping: a case study in southern Virginia and northern North Carolina
AU  - J. Wright Horton
AU  - David L. Daniels
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70073917
ID  - 70073917
ER  -