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Page 6405, results 160101 - 160125

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Publication Extents

Not all publications have extents, not all extents are completely accurate
About nutria and their control
James Evans
1970, Resource Publication 86
Wild animals are generally classed as beneficial or pest species, depending on the variable interests of man. Those that provide him with earnings, recreation, or enjoyment are considered beneficial; those that compete with him for food, or ruin his possessions or environment, are quickly dubbed pests. But all men do...
Hydrologic implications of solid-water disposal
William Joseph Schneider
1970, Circular 601-F
The disposal of more than 1,400 million pounds of solid wastes in the United States each day is a major problem. This disposal in turn often leads to serious health, esthetic, and environmental problems. Among these is the pollution of vital ground-water resources. Of the six principal methods of solid-waste disposal...
Common marsh plants of the United States and Canada
Neil Hotchkiss
1970, Resource Publication 93
This is the fourth of a series of publications on field identification of North American marsh and water plants. It describes the emergent and semiemergent plants most likely to be found in inland and coastal marshes. It omits hundreds of uncommon marsh plants and plants less characteristic of marshes than...
Molybdenum in the United States, exclusive of Alaska and Hawaii
Robert Ugstad King
1970, Mineral Investigations Resource Map 55
The accompanying map shows the principal deposits and many minor occurrences of molybdenum in the conterminous United States. Six types are distinguished by shapes of the symbols used, and three size categories indicate the relative importance of the deposits....