Topo map for Lake Wasaksina in Temagami

[Scoutmaster]

I would I go about getting a topo map for Lake Wasaksina in Temagami, Ontario. I am in need because we will have no depth finders or previous knowledge of structure on the lake.

Thanks,
Scoutmaster

[MIke]

Scoutmaster, I have a very "rough" copy of that lake, want a copy?

[Scoutmaster]

How could I go about getting a copy?

Scoutmaster