Jones, Bruce A. (1995) Emergency Evaluation at the Checkers Site, Curecanti National Recreation Area, Colorado. Midwest Archaeological Center, Lincoln, Nebraska.

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-74316 5GN2460 (Checkers) CO 3200 ± 60
Beta-74317 5GN2460 (Checkers) CO 2920 ± 70