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Conservation in 1952 Stephen Raushenbush
The Conservation Movement Robert 0 Beatty
The Citizens Part in Conservation John H Baker
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agencies Agriculture American annual areas basic billion barrels Bureau capita cent coal Colorado River Commission Congress consumption cost crops depletion domestic drainage duction economic effect energy eral ergy erosion estimated estry farmers federal flood control forest land Forest Service forestry future groups important increased industry interest investment irrigation labor lumber ment metals Middle East million acres mineral mineral fuels mining natural gas needs nomic oil and gas oil shale operators organizations owners ownership petroleum plants political pollution population practices present private firms problem production projects proposed public ownership range range lands Reclamation regulation requirements reserves River Basin servation social Soil Conservation Soil Conservation Service sources Soviet Soviet Union supply timber tion tional tive tons tree farm utilization Valley vate Venezuela waste water power water resources watershed western wildlife York