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The Beet Leaf-Beetle and Its Control

Description: Report discussing the beet leaf-beetle, which is common in the Rocky Mountain region. Discussion include physical appearance, geographic distribution, life cycle, affected plants, and methods of control.
Date: 1921
Creator: Chittenden, F. H. (Frank Hurlbut), 1858-1929
Item Type: Refine your search to only Pamphlet
Partner: UNT Libraries Government Documents Department
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Flotation Tests of Idaho Ores

Description: From Introduction: "This paper covers part of the investigations carried on by the United States Bureau of Mines in cooperation with the Idaho Bureau of Mines, the University of Idaho, and certain mining companies of the Coeur d' Alene region. Although the results of the tests included in this report are not to be considered final, they indicate possibilities and may suggest others leading to a solution of the problem of separating lead and zinc sulphides by differential flotation in the treatm… more
Date: 1921
Creator: Wright, Clarence A.; Parmelee, James G. & Norton, James T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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