Brunswig 2005, Native American Arch of Rocky Mountain National Park...

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-171959 5GA2705 CO 340 ± 50
Beta-171960 5LR9826 CO 310 ± 50
Beta-171961
Beta-171962 3420 ± 40
Beta-171963 5930 ± 40
Beta-7208 5GA217 (Pontiac Pit site) CO