@misc{indiciae2d51a1ba3b11, title = {Lead isotope data bank: 3,459 samples and analyses cited}, author = {Bruce R. Doe and Randall Rohrbough}, year = {1977}, doi = {10.3133/ofr79661}, url = {https://pubs.usgs.gov/publication/ofr79661}, note = {Source identifier: ofr79661} }