TY  - RPRT
TI  - The isotopic variation of common lead in galena from the Front Range and its geological significance
AU  - George Phair
AU  - Henry Mela
PY  - 1955
DO  - 10.3133/tei506
UR  - https://pubs.usgs.gov/publication/tei506
ID  - tei506
ER  -