View of the Blue Rapids gypsum mining area, ca. 1920.
United States Gypsum Company mine, Blue Rapids, Marshall County, Kansas, USA
The United States Gypsum Co. mine and mill, Blue Rapids, ca. 1920. Vintage real photo postcard, photo by United States Gypsum Co. (No. C1872), Blue Rapids. The card was sent on 23 July 1923 from Hutchison to Centralia, Kansas.
G. Grundmann collection.
© United States Gypsum Co., Blue Rapids.