Title: Aeromagnetic map of the Lahore quadrangle, Louisa, Spotsylvania, and Orange Counties, Virginia /
Authors: Bromery, Randolph Wilson, 1926-; Galat, G. A.; Gilbert, Francis P.; Geological Survey (U.S.)
Publisher: The Survey,
Year: 1963
Subjects: Geomagnetism Virginia Louisa County Maps.; Geomagnetism Virginia Spotsylvania County Maps.; Geomagnetism Virginia Orange County Maps.