@misc{indiciae700fea51bbbb, title = {Summary of the research work of the Trace Elements Section, Geochemistry and Petrology Branch, for the period April 1, 1948-December 31, 1950}, author = {J.C. Rabbitt}, year = {1951}, doi = {10.3133/ofr5177}, url = {https://pubs.usgs.gov/publication/ofr5177}, note = {Source identifier: ofr5177} }