@misc{indiciae8de0bffa3e71, title = {Geologic investigations of radioactive deposits: Semiannual progress report for June 1 to November, 1956}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1956}, doi = {10.3133/tei640}, url = {https://pubs.usgs.gov/publication/tei640}, note = {Source identifier: tei640} }