@misc{indiciae97c2e4230237, title = {Semi-quantitative determination of uranium and stratigraphic correlation by gamma-ray logging of drill holes in carnotite deposits}, author = {Kenneth Granville Bell}, year = {1949}, doi = {10.3133/tei87}, url = {https://pubs.usgs.gov/publication/tei87}, note = {Source identifier: tei87} }