R.G. Tremper Sales Co.

Note: Possibly related or connected to Geo. H. Tremper (distributor)

Entrance to Blue Hole, Castalia, Ohio (Date Unknown)
Vintage linen postcard depicting the entrance to Blue Hole in Castalia, Ohio.

The Aerating Water Wheel at the Blue Hole, Castalia, Ohio (Date Unknown)
Vintage linen postcard depicting the aerating water wheel at the Blue Hole in Castalia, Ohio.