This image is a colorized photo of the main lodge building of the Legion Lake Resort, showing an adjacent gas station in the background.

E.C. Kropp Co., Milwaukee, Wis.
The card is severely damaged on the back and any description there has been lost.
The building still exists, but the building has long since been replaced. Now known as Legion Lake Lodge, It is part of the Custer State Park in South Dakota.
This image likely dates from the 1940s.