Books by Cleophas C. O'Harra
Total count: 13
The geology of Allegany County ...Printed by the Friedenwald company1900-01-01
Mineral resources of South DakotaWilley and Danforth, printers1902-01-01
The cement resources of the Black hillsIncluding tests on cements made from Black hills material.1908-01-01
The Badland formations of the Black Hills regionThe Daily Journal1910-01-01
O'Harra's handbook of the Black HillsThe Black Hills Handbook Company1913-01-01
The White River Badlands1920-01-01