Cleophas C. O'Harra

Born: 1866

Died: 1935

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Born: 1866

Died: 1935

Books by Cleophas C. O'Harra (50 max)

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O'Harra's handbook of the Black Hills

1913

Cleophas C. O'Harra

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

1900

Cleophas C. O'Harra

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The geology of Allegany County ...

1900

Cleophas C. O'Harra

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The mineral wealth of the Black Hills

1902

Cleophas C. O'Harra

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Mineral resources of South Dakota

1902

Cleophas C. O'Harra

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Devils Tower folio, Wyoming

1907

Nelson Horatio Darton, Cleophas C. O'Harra, Geological Survey (U.S.)

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The cement resources of the Black hills: Including tests on cements made from Black hills material.

1908

Cleophas C. O'Harra

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Belle Fourche folio, South Dakota

1909

Nelson Horatio Darton, Cleophas C. O'Harra, Geological Survey (U.S.)

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The Badland formations of the Black Hills region

1910

Cleophas C. O'Harra

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

1917

Cleophas C. O'Harra

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The White River Badlands

1920

Cleophas C. O'Harra

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

1926

Cleophas C. O'Harra

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Papers on the Black Hills, 1902, 1913

Cleophas C. O'Harra