Papers on the Black Hills, 1902, 1913
By: by Cleophas C. O'Harra
Language: eng
Table of contents: title: I. The mineral wealth of the Black Hills. 88 p., illus, plates (South Dakota School of Mines, Bull. no. 6, Dept. of Geology, 1902) Pub also as part of Bull. no. 3 of the S.D. Geological Survey. -II. O'Harra's Handbook of the Black Hills. Rapid City, Black Hills Handbook Co., 1913. v.1., illus., plates.