Date: 2014-09-29 14:14:58Pennsylvania Hydrology Conservation in the United States National Park Service Palmer Drought Index Automated airport weather station Weather station Friendship Hill National Historic Site National Weather Service Atmospheric sciences Meteorology Droughts | | National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science Weather of Fort Necessity National Battlefield andAdd to Reading ListSource URL: science.nature.nps.govDownload Document from Source Website File Size: 1,68 MBShare Document on Facebook
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