Date: 2012-09-25 05:27:54Observational astronomy Goldendale Observatory State Park International Dark-Sky Association Dark-sky preserve Clayton Lake State Park Cherry Springs State Park Goldendale Washington Tucson Arizona State park Dark sky parks Geography of the United States Klickitat County Washington | | “… to preserve and protect the nighttime environment and our heritage of dark skies” 3225 North First Avenue Tucson, AZ 85719, USA tel +[removed]fax +[removed]www.darksky.orgAdd to Reading ListSource URL: www.darksky.orgDownload Document from Source Website File Size: 345,49 KBShare Document on Facebook
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