An important radiocarbon date of 9130 ± 250 years (W-345) was recently received from Washington, courtesy of M. Rubin, United States Geological Survey. That it pertains to an archaeological site in an area commonly supposed to have been under Valders (Mankato) ice at that time is of significance in our studies of prehistory in Ontario. A few notes on the occurrence of the sample may be of interest.

The Sheguiandah site, in the northeast corner of Manitoulin Island, has produced strong indications that man was present before the last ice sheet advanced over the area. Unfortunately, no satisfactory charcoal sample was obtained from the older deposits in 4 years of excavating.