@misc{indiciae1b6b07726287, title = {Residual aeromagnetic map of the Danville area, Virginia and North Carolina}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1994}, doi = {10.3133/ofr94219}, url = {https://pubs.usgs.gov/publication/ofr94219}, note = {Source identifier: ofr94219} }