Prewitt and Associates, Inc.

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
GX-15122G 41WY113 2560 ± 100
Beta-32978 41HG128 320 ± 90 -25.1
Beta-32977 41HG128 120 ± 80 -25.3
Beta-32200 41HG128 4300 ± 130 -24.9
Beta-66449 41HG153 (Garza Ranch, No. 1) 540 ± 190 -26.6