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2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Maine. School districts are geographic entities within which state, cou... U.S. Census Bureau. Geography Division.
2013 and 2014. Applied Science Associates. The University of Maine (UMaine) deployed a temporary test turbine in Castine Harbor, ME approximately 0.25 km from shore in the spring of 2013. Th... Northeast Regional Ocean Council.
2001. Geological Survey (U.S.). This data set includes a selection of urban areas in the United States derived from the urban areas layer of the Digital Chart of the World (DCW). ... Geological Survey (U.S.).
2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.
2014. Applied Science Associates. This dataset shows coastal water trails in the northeast United States. A water trail is an officially designated water route, or blueway, that is ... Northeast Regional Ocean Council.
2010. United States. National Oceanic and Atmospheric Administration, United States. Department of Commerce, United States. National Ocean Service, and Coastal Services Center (U.S.). The Automated Wreck and Obstruction Information System (AWOIS) is an automated file that contains information on wrecks and obstructions, and other... Coastal Services Center (U.S.).