TY  - RPRT
TI  - Preliminary compilation of isotopic ages within the Ajo 1° x 2° quadrangle, Arizona
AU  - Richard M. Tosdal
PY  - 1979
DO  - 10.3133/ofr79399
UR  - https://pubs.usgs.gov/publication/ofr79399
ID  - ofr79399
ER  -