Orla G. Allen (c. 1879-?), commonly known as O.G. Allen, was a professional photographer operating in Pendleton, Oregon, circa 1910-1920. "Electric Studio" is a franchise name that appeared in locations throughout the West. The collection consists of five images and documents rodeo people and activities, and a Pendleton event. Other O.G. Allen images are available in other collections.
Thomas Leander "Lee" Moorhouse (1850-1926) was a photographer and businessman in Pendleton, Oregon. From 1888 to 1916 he produced over 9,000 images documenting urban, rural, and Native American life in the Columbia Basin and Umatilla County, Oregon. The collection consists primarily of glass-plate negatives.