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Publication Extents

Not all publications have extents, not all extents are completely accurate
The interior of the Earth, an elementary description
Eugene C. Robertson
1966, Circular 532
Evidence on the structure and composition of the earth's interior comes from (1) observations of surface rocks, (2) geophysical data from earthquakes, flow of heat from the interior, the magnetic field, and gravity, (3) laboratory experiments on surface rocks and minerals, and (4) comparison of the earth with other planets,...
Treatment of East Bay, Alger County, Michigan, with toxaphene for control of sea lampreys
William E. Gaylord, Bernard R. Smith
1966, Resource Publication 11
An experiment was conducted to determine whether toxaphene can be used to eradicate lake-dwelling sea lampreys and to determine its effect on fish populations. In East Bay, a 78-acre lake on the Sucker River, Alger County, Mich., an estimated concentration of 100 parts per billion was maintained for 14 days....