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Assessing drought impact

Contributor: Alexander F. H. Goetz, University of Colorado at Boulder More than 10 percent of the United States’ High Plains region is made up of

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Monitoring urban growth

Contributor: Jeffrey G. Masek, NASA Goddard Space Flight Center Traffic jams and air pollution in large metropolitan areas are sure signs of expanding populations. Across

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Monitoring deforestation

Location: Rondônia, Brazil Source: USGS Earthshots These images show a portion of the state of Rondônia, Brazil, in which tropical deforestation has occurred. The 1975

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Mapping major geologic features

Location: Harrisburg, Pennsylvania This Landsat view shows Harrisburg and the Appalachian Mountains of central Pennsylvania. The Piedmont province is visible in the lower right corner. The

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