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Date: 2013-07-12 07:54:17Susquehannock Trail System Patterson State Park Susquehannock State Forest Lyman Run State Park Night sky Dark-sky preserve Constellation Big Dipper International Dark-Sky Association Pennsylvania Amateur astronomy Cherry Springs State Park | Add to Reading ListSource URL: www.dcnr.state.pa.usDownload Document from Source WebsiteFile Size: 154,53 KBShare Document on Facebook |