PProblems for resource development planning in southern IllinProblems for resource development planning in southern Illinoisde Edward A. AckermanMateriasWater resources developmentNatural resourcesEdiciones (1)Problems for resource development planning in southern Illinois (1960)Southern Illinois University Press · inglésMás obras de Edward A. AckermanIIs planning harmful for the Potomac ValleyIs planning harmful for the Potomac ValleyTTennessee Valley Authority planning: methods and resultsTennessee Valley Authority planning: methods and resultsNNational resources: progress and poverty
TTennessee Valley Authority planning: methods and resultsTennessee Valley Authority planning: methods and results
TThe Köppen classification of climates in North AmericaThe Köppen classification of climates in North America
LLocational factors in the New England fishing industryLocational factors in the New England fishing industry