Cleophas C. O'Harra

The Badland formations of the Black Hills region

1910

A bibliography of the geology and mining interests of the Black Hills region

1917

The cement resources of the Black hills

1908

The geology, mineralogy and scenic features of Custer state park, South Dakota

1926

The geology of Allegany County ..

1900

Mineral resources of South Dakota

1902

The mineral wealth of the Black Hills

1902

The White River Badlands

1920

O'Harra's handbook of the Black Hills

1913

A history of the early explorations and of the progress of geological investigations in the Black Hills region

Belle Fourche folio, South Dakota

Devils Tower folio, Wyoming

Papers on the Black Hills, 1902, 1913