TY  - RPRT
TI  - Compilation of revised ages of volcanic units in the San Juan Mountains, Colorado; recalculated K-Ar age determinations using IUGS constants
AU  - Ken Hon
AU  - Harald H. Mehnert
PY  - 1983
DO  - 10.3133/ofr83668
UR  - https://pubs.usgs.gov/publication/ofr83668
ID  - ofr83668
ER  -