Walker, G.W.and MacLeod, northS., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Lunk-1406 35,GrandeRondeValley (35, Grande Ronde Valley) 15280 ± 180