This images shows the main buildings and flagpole of Ft. Wilkins State Park as seen from a boat on Lake Superior.

The caption states:

Fort Wilkins State Park

In the “Copper Country” of Michigan’s Upper Peninsula

Old Fort Wilkins – once an important military center is now a state park and is host to thousands of vacationers every year.

–The is a dedicated historical association that helps to maintain the park and provides interpretive guides as well as historical re-enactors.

This postcard is dated 1950.