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Description: Eelgrass 1962 - Maine Geological SurveyThe Nature Conservancy obtained geospatial information from the Maine Geological Survey for the Great Bay Estuary Restoration Compendium. A shapefile containing eeglrass (and salt marsh) data from 1962 was obtained courtesy of Stephen M. Dickson at the Maine Geological Survey (MGS). It was created for the Coastal Maine Geologic Environment (CMGE) survey of eelgrass, salt marsh and five other habitat types for the entire shoreline of Maine. The maps only contain eelgrass beds on the Maine side of the Piscataqua River. The following documentation was provided with the file. April 26, 2006For permission for use and distribution information contact:Stephen M. Dickson, Ph.D.State Marine GeologistMaine Geological Survey22 State House StationAugusta, ME 04333-0022(207) 287-7174 desk(207) 287-2353 faxstephen.m.dickson@maine.govhttp://www.state.me.us/doc/nrimc/mgs/mgs.htmGIS Coverage: Coastal Marine Geologic Environments (CMGE)Projection UTM NAD83; all quads in one fileOriginal Source: Maine Geological Survey CMGE mapsDEPARTMENT OF CONSERVATIONCMGE maps originally made by interpreting air photos and some fieldwork by Barry Timson, Maine Geological Survey.Digitized by:DEPARTMENT OF ENVIRONMENTAL PROTECTIONFrom hand-drawn original mylar maps; some base maps were enlarged 15' topographic base maps; the majority of maps were from 7.5' topographic bases.Map Units: CMGE annotation, see paper maps or references below for map units. See paper maps for authorship of individual quadrangles.These maps do not provide an exact location of a tidal datum such as mean low water along the coast.Additional Information:State Planning Office, 1983, The Geology of Maine's Coastline, A Handbook for Resource Planners, Developers, and Managers, Augusta, Maine, 79 p.State Planning Office, 1985, Maine's Intertidal Habitats, A Planner's Handbook, Augusta, Maine, 43p.Timson, B. S., 1976, Coastal Marine Geologic Environments Maps, 110 Open-File maps on a 7.5' USGS topographic map base with interpreted geology and legend, Maine Geological Survey, Augusta, Maine, 1:24,000 scale.Ward, A., 1999, Maine’s Coastal Wetlands, DEPLW1999-13, Maine Department of Environmental Protection, Augusta, Maine. Ward analyzed these maps for the Maine Department of Environmental Protection and results are summarized in a report online: http://www.maine.gov/dep/blwq/doccoast/coastal3.htmMaine Geological Survey Web Site:http://www.maine.gov/doc/nrimc/mgs/mgs.htmCitation for the Great Bay Restoration Compendium:Odell, J., Eberhardt, A., Burdick, D., and P. Ingraham. 2006. Great Bay Estuary Restoration Compendium. Report to the Piscataqua Region Estuaries Partnership and the New Hampshire Coastal Program, Durham and Portsmouth, NH. Published online: Published online: http://prep.unh.edu/resources/pdf/great_bay_restoration-tnc-06.pdf.

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