Alpena Power Company's Norway Point Dam (aka Seven Mile Dam) across the Thunder Bay River in Alpena County, Michigan during late construction. Built 1923-1924 as an electrical plant and to control Sp
Alpena Power Company's Norway Point Dam (aka Seven Mile Dam) across the …
This map details a base map of Alpena County in Michigan as part of the Land Economic Survey project in 1924 by the Michigan Department of Conservation. Below conventional signs culture, there are ha
This map details a base map of Alpena County in Michigan as …