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Spawning Areas and Abundance of Chinook Salmon (Oncorhynchus tshawytscha) in the Columbia River Basin: Past and Present
From abstract: Important Chinook salmon spawning areas are listed and charted in this report according to their past use and present use.
Date:
October 1968
Creator:
Fulton, Leonard A.
System:
The UNT Digital Library
Technology of Liquid Helium
From Abstract: "This treatise is a source document containing information on helium resources, production, conservation, thermodynamic properties, liquefaction and refrigeration techniques, transportation and storage of liquid and safety requirements. It also contains a discussion of uses for liquid and cold gas in cryoelectronics, superconductivity, bubble chambers, cryopumping and missile and space systems."
Date:
October 1968
Creator:
Kropschot, R. H.; Birmingham, B. W. & Mann, D. B.
System:
The UNT Digital Library