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Conservation of natural resources
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Surveys
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National parks and reserves > Environmental aspects

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1.
Vanishing night skies : the effects of light pollution on the National Park System : a survey by the National Parks and Conservation Association, March 1999
Author
Simon, David J.
Published
Tucson : National Optical Astronomy Observatories, Kitt Peak National Observatory, [1999].
Location
Library Shelving Facility (LSF) >> QC976 A3 S56 1999
Format
Books