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Cattle-Fever Ticks and Methods of Eradication
Revised edition. This bulletin discusses the cattle-fever tick and methods for controlling it. Possible methods include dipping, pasture rotation, and arsenical dips. The life history of the tick is also discussed and instructions for constructing a concrete vat are given.
Date:
1940
Creator:
Ellenberger, W. P. & Chapin, Robert M.
Object Type:
Pamphlet
System:
The UNT Digital Library
Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941
Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Date:
November 1941
Creator:
Fieldner, Arno Carl & Schmidt, L. D.
Object Type:
Report
System:
The UNT Digital Library
Trace Elements Reconnaissance in Indiana, Illinois, Missouri, Arkansas, and Kentucky
Report discussing examination of various trace elements by the U.S. Geological Survey in Indiana, Illinois, Missouri, Arkansas, and Kentucky during October and November, 1946.
Date:
May 1949
Creator:
Stratton, Edward V. & Nelson, John M.
Object Type:
Report
System:
The UNT Digital Library