@misc{indiciae2891e7244bb3, title = {Aeroradioactivity map of north-central Florida}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1978}, doi = {10.3133/ofr78763}, url = {https://pubs.usgs.gov/publication/ofr78763}, note = {Source identifier: ofr78763} }