Divided back, unused postcard. Publisher: Dewey Post Card Co., Dewey, Oklahoma. Printer: Curt Teich. Genuine Curteich – Chicago. “C. T. American Art.” No. or series: 2B88 – N. Circa 1953.
“Length of dam 5680 ft., height 150 ft., length of lake 60 miles with 1000 miles shoreline. A playground of four states. Power plant capacity 200,000,000 KWH. Four 20,000 h. p. turbines, four 16,000 KVA generators.”
There’s a few similar-view-of-the-dam linen postcards that we see online, however none at the moment by this publisher, the Dewey Post Card Co. Per the publisher research we’re estimating the date of this postcard at 1953.
The Grand River Dam is an a.k.a. for the Pensacola Dam, in Northeastern Oklahoma, which is the longest multiple-arch dam in the world. Construction was started in 1938 and completed in 1940.
Source: Pensacola Dam. n.d. https://en.wikipedia.org/wiki/Pensacola_Dam (accessed June 12, 2017).