Cusick, James G., Todd McMakin, Shannon Dawdy, and Jill-Karen Yakubic 1995 Cultural Resources Documentation, Black River Bridge at Jonesville, Jct. La 3037 to La 565, Catahoula and Concordia Parishes Route, La-US 84. Report submitted by Earth Search, Inc., to Frederic R. Harris, Inc., New Orleans.

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
Beta-72930 16CO9 (Frogmore Mound) 930 ± 60 -23.3
Beta-72931 16CO37 (DePrado Mounds) 1290 ± 80 -25.0
Beta-72935 16CO37 (DePrado Mounds) 1190 ± 160 -25.0
Beta-72937 16CT7 (Troyville Mounds/Jonesville) 1320 ± 60 -27.8
Beta-72938 16CT7 (Troyville Mounds/Jonesville) 1280 ± 70 -25.0