TY  - RPRT
TI  - Potassium-argon project report for the year 1958-1959
AU  - Henry Faul
AU  - E. Jager
AU  - R.H. Robinson
AU  - H.H. Thomas
PY  - 1959
DO  - 10.3133/ofr5939
UR  - https://pubs.usgs.gov/publication/ofr5939
ID  - ofr5939
ER  -