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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
The Use of Mud-Laden Fluid in Oil and Gas Wells
From Introduction: "Technical Paper 66 deals with the mud-laden fluid process in general and No. 68 with its application in Oklahoma. Rather than reprint these publications, it has been considered advisable to replace them with the present report, which includes the results of more recent investigations. The methods of using mud-laden fluid are an outgrowth of the rotary drilling system, which was developed in Texas and later employed in Louisiana and California."
Date:
1916
Creator:
Lewis, James O. & McMurray, William F.
System:
The UNT Digital Library
Underground Wastes in Oil and Gas Fields and Methods of Prevention
Technical paper issued by the Bureau of Mines over the underground wastes of oil and gas in drilling fields. As stated in the introduction, "the writers have endeavored to establish the manner and importance of underground waste by citing a few cases and to show the means whereby it can be prevented" (p. 5). This paper includes illustrations.
Date:
July 1916
Creator:
McMurray, William F. & Lewis, James O.
System:
The UNT Digital Library