S. Roufs 2004 Shell Rocky Mountain Production Llc., Warbonnet 8-6 Alternate Access Road, Monitor Of Construction (04-Car-370).

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-200836 48SU5438 WY 5340 ± 50
Beta-200837 48SU5438 WY 4860 ± 60