Every placer mining claim was recorded in creek books in the gold fields of the Yukon.
Entry record for Claim 41-A Below Sulphur Creek for Nazaire Poulin
In the center of this page, one record reads that Nazaire Poulin gave up his claim (returned to the Crown) on October 10, 1909.
This claim, 91372 for 41-A Below Discovery on Sulphur Creek was relocated (transferred from the Crown) to a Ruth McCormick the next day.
This entry records the date that Nazaire returned his claim to the Crown and started back home.