@misc{indiciaeb4d66f23f685, title = {Aeroradioactivity map of southeastern North Carolina}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1978}, doi = {10.3133/ofr78765}, url = {https://pubs.usgs.gov/publication/ofr78765}, note = {Source identifier: ofr78765} }