Steventon and Kutzbach, 1985: 456

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
WIS-1535 39PN607 SD 920 ± 70 -25.0
WIS-1536 39PN616 SD 990 ± 70 -25.0
WIS-1539 39PN607 SD 1090 ± 70 -25.0
WIS-1540 39PN607 SD 1510 ± 70 -25.0
WIS-1541 39PN607 SD 640 ± 70 -25.0