Martin Richard Huberty, Warren L. Flock
McGraw-Hill Book Company, 1959 - Natural resources - 556 pages
Natural and human resources; Fresh-water resources; Fresh water from saline sources; Marien resources; The atmosphere; Air pollution control; Land as a resource; Soil as a natural resource; The physical aspects of soil management; Photosynthesis; Ecology, wildlife, and wilderness; Forest land and forest products.
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S Natural and Human Resources Varden Fuller
Freshwater Resources Martin R Huberty
Fresh Water from Saline Sources Everett D Howe
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acre-foot acres agricultural amount animals annual areas atmosphere average capita carbon dioxide cent changes chemical coal concentration conservation consumption costs countries crops decrease depletion deposits desert economic effects Engineering estimated evaporation example factors fertilizer Figure fish fisheries fission flow forest land fossil fuels fuel future geological geophysical growth harvest heat hydropower important increase industry infiltration capacity inversion irrigation kwhr magnetite major materials metals methods milligal minerals mining natural resources nitrogen nuclear ocean oil shale optimum organic photosynthesis plants podsol population possible potential present problem production prospecting reactor recovery regions reserves result rocks sea water soil solar energy Soviet Union supply surface Table temperature thorium tion U.S. Department U.S. Forest Service United University of California uranium utilization vegetation volume wildlife wind wind power