TY  - RPRT
TI  - A tabulation of K-Ar, Rb-Sr and Pb-alpha ages obtained for materials within the United States (including Alaska and Hawaii) during the years 1969 through 1971
AU  - Richard F. Marvin
PY  - 1974
DO  - 10.3133/ofr741070
UR  - https://pubs.usgs.gov/publication/ofr741070
ID  - ofr741070
ER  -