Location: St. Lawrence County, Town of DeKalb

I have read deeds to Dad's land which refer to Potter Goff maps. Where
might I find information on them? Also lot numbers were referred to in
these deeds. Where might I find these old township maps with the lot
numbers so I can see where the houses might have been placed? Property was
purchased in 1826 by Silas STONE from Willaim Bayard & Henry Barclay who
were agents for insolvent John R. Munay or Murray. Where might I find
information on these folks?