Clarence Hall

Introduction to the Geology of Southern California and Its Native Plants

"This treatise seamlessly combines an elementary introduction to the theories, facts, and principles defining modern earth science with an up-to-date ...

Explosives in Metal Mining and Quarry Operations

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The Use of Permissible Explosives

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Abstracts of Current Decisions on Mines and Mining

March to December, 1913

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The Effect of Stemming on the Efficiency of Explosives

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Investigation of Detonators and Electric Detonators

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Permissible Explosives Tested Prior to January 1, 1914

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Permissible Explosives Tested Prior to January 1, 1912 and Precautions to be Taken in Their Use

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A Primer on Explosives for Coal Miners

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Permissible Explosives Tested Prior to March 1, 1913

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The Titaniferous Iron Ores in the United States

Their Composition and Economic Value

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Coal-mine Accidents in the United States and Foreign Countries

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Permissible Explosives Tested Prior to January 1, 1911 and Precautions to be Taken in Their Use

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Investigations of Explosives Used in Coal Mines

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Physical and Chemical Properties of the Petroleums of the San Joaquin Valley of California

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Outlines for Field Studies of Some Common Plants

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Talks to Young People on Ethics

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Agricultural Instruction in the Public High Schools of the United States

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Agricultural Instruction in Secondary Schools

Papers Read at the Third Annual Meeting of the American Association for the Advancement of Agricultural Teaching, Atlanta, Ga., November 12, 1912

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Keepers of the Feast

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The South

It is a place with a feudal code and a populist history, a tragic psyche and an earthy humor....

Investigation of Detonators and Electric Detonators

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...

Detonators, Electric Detonators & Initial Primers for High Explosives

"Investigations of Detonators and Electric Detonators" (by Clarence Hall and Spencer Howell) together with "Initial Priming Substances for High Explos...

Investigations of Explosives Used in Coal Mines

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Advance Chapter from Contributions to Economic Geology

(short Papers and Preliminary Reports) : 1910, Part II, Mineral Fuels : Petroleum and Natural Gas

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Graphite in Queensland

With Special Reference to the Mount Bopple Graphite Deposits ...

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Movement of Sodium with Water in Neat Portland Cement

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Washing and Coking Tests of Coal at the Fuel-testing Plant, Denver, Colo., July 1, 1908, to June 30, 1909

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Report Upon the Price of Gas in Chicago

For the Chicago Council Committee on Gas, Oil and Electric Light

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Adventurers for God

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