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Kromm, David E.; White, Stephen E. – Journal of Geography, 1987
Describes the changes taking place as a result of the depletion of groundwater supplied by the Ogallala aquifer. Provides maps and tables which show changes occurring in agriculture, and reports the results of a survey of residents' opinions on potential solutions to the problem. (JDH)
Descriptors: Agriculture, Geographic Regions, Higher Education, Human Geography

Curran, Paul J. – Journal of Geography, 1987
Discusses the use of remote sensing techniques to obtain locational, estimated, and mapped information at the scales varying from individual fields and farms, to entire continents and the world. (AEM)
Descriptors: Agriculture, Cartography, Maps, Natural Resources