The Distribution of Calcretes and Gypcretes in Southwestern United States and Their Uranium Favorability: Based on a Study of Deposits in Western Australia and South West Africa (Namibia) (open access)

The Distribution of Calcretes and Gypcretes in Southwestern United States and Their Uranium Favorability: Based on a Study of Deposits in Western Australia and South West Africa (Namibia)

From summary: The procedure has been to search for areas in which nonpedogenic calcrete or gypcrete may have developed and where additional study or exploration might be justified.
Date: January 6, 1978
Creator: Carlisle, Donald
System: The UNT Digital Library
The History and Development of Gold Dredging in Montana: with a Chapter on Placer-Mining Methods and Operating Costs (open access)

The History and Development of Gold Dredging in Montana: with a Chapter on Placer-Mining Methods and Operating Costs

From Introduction: "Although the purpose of this paper is to describe gold dredging in Montana, a brief mention of some early appliances used in New Zealand, Australia, and California may serve as a world-connecting link in our consideration of the development of gold dredging."
Date: 1916
Creator: Jennings, Hennen
System: The UNT Digital Library
Index of Selected Gasification Patents (In Three Parts): [Part] 2. United Kingdon, Australian, Canadian, and South African Patents (open access)

Index of Selected Gasification Patents (In Three Parts): [Part] 2. United Kingdon, Australian, Canadian, and South African Patents

Report issued by the Bureau of Mines over patents related to the Fischer-Tropsch synthesis. Details of the patents are presented and discussed. This report includes illustrations.
Date: 1962
Creator: Klosky, Simon & Murphy, Zane E.
System: The UNT Digital Library