Maine Office of GIS Data Catalog |
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NOTICE: This version of the Data Catalog is being phased out. The new MEGIS Data Catalog is available at: https://geolibrary-maine.opendata.arcgis.com/datasets#data.
Please refer to the new Data Catalog for data downloads, and update your browser bookmarks. Most of the MEGIS data holdings have been migrated to the new site. Use this version of the Catalog only if you do not find your data on the new site. This site will be decommissioned in a few months.
Disclaimer:
Information provided by the Maine Office of Geographic Information Systems and Maine GeoLibrary on this site is accurate to the best of our knowledge and is subject to change on a regular basis. While the Maine Office of Geographic Information Systems makes every effort to provide useful and accurate information, we do not warrant the information to be, complete, factual, or timely. Information is provided on an "as is" and an "as available" basis. The State of Maine disclaims any liability, loss, injury, or damage incurred as a consequence, directly or indirectly, resulting from the use and application of any of the contents of this web site.
All the data in this catalog is referenced to the Universal Transverse Mercator coordinate system, zone 19
North, using the NAD83 datum and GRS80 spheroid.
NEED TO DOWNLOAD IMAGE TILES? Use the MEGIS Viewer link for the layers below 
and read the help file in the viewer for instructions.
(* indicates licensed data which cannot be downloaded)
(Date refers to last update date)
Administrative and political boundaries
| Data Layer |
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Data Layer |
Download |
| County Boundaries (CNTY24) |
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School Districts - School Administrative Districts (11/7/2017) |
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| School Districts - Community School Districts (EDCSD) (11/7/2017) |
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School Districts - Municipal School Units (EDMSU) (11/7/2017) |
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| School Districts - Unorganized Territory (EDEUT) (11/7/2017) |
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School Districts - Regional School Units (EDRSU) (11/7/2017) |
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| School Districts - Maine Indian Education (11/7/2017) |
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Town Boundaries (METWP24) |
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Biologic and ecologic ⁄ Environment and conservation
| Data Layer |
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Data Layer |
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| Archived shellfish harvest (ARCHIVE_BACTI) (4/4/2014) |
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Molluscan shellfish areas (10/12/2010) |
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| Archived shellfish harvest (ARCHIVE_BIOTOXIN) (10/29/2013) |
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Mussell seed conservation areas (1/1/1995) |
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| Atlantic salmon habitat (ASHAB3) (4/15/2016) |
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Piping Plover ⁄ Least Tern essential habitat (EHPLVTRN) |
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| Biophysical regions (BIOPHY) (1/1/1999) |
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Private/Domestic wells (Maine Geological Survey water well database) |
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| Conserved Lands |
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Public drinking water buffers (WELLSBUF) (12/10/2013) |
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| Diadromous fish runs |
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Public drinking water groundwater models (WELLMODELS) (11/1/2011) |
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| Deer Wintering Areas |
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Public drinking water surface supply watersheds (DIRSHED) (1/23/2012) |
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| Eelgrass beds 1992-1997 |
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| Eelgrass beds 2001-2010 |
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Roseate Tern essential habitat (EHRTERN) |
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| Eelgrass beds 2013 Casco Bay area |
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Seabird nesting islands |
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| Gulf of Maine habitat analysis |
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Shorebird Areas |
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| Herring Weirs |
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Significant vernal pools |
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| Inland Waterfowl ⁄ Wader Habitat - NRPA (IWWH) |
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Tidal Waterfowl/Wading bird Habitat |
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| Marine Worms (2005) | |
| Vernal Pool Centerpoints |
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Volunteer water quality monitor sites (VOLMON24) (4/17/2001) |
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Cadastral and land planning
| Data Layer |
Download |
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Data Layer |
Download |
| Development Tracking (DEVTRACK) (4/26/2011) |
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Parcels- Unorganized townships, composite |
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| Parcels - organized towns, composite |
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MPO Boundaries (2005) |
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Cultural, society, and demographic
| Data Layer |
Download |
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Data Layer |
Download |
| Cemeteries (8/22/2017) |
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Maine Senate districts 2003 |
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| Census Blocks 2000 (BLKS00) |
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Maine Senate districts 2013 |
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| Census Blocks 2010 (BLOCKS10) |
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Minor Civil Divisions ⁄ Census County Divisions - Census 2000 (MCDCCD00) |
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| County Commissioners Districts 2013 (9/23/2013) |
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Minor Civil Divisions ⁄ Census County Divisions - Census 2010 (MCDCCD10) |
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| Cultural Emergency Resource Coalition cultural assets (CERCCulturalMay262016) | | | Rural Health and Primary Care 5/20/2014 | |
| Hospital Service Areas (HSA) 08/06/2005) |
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US Congressional districts 2003 |
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| LUPC protection and development zones |
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US Congressional districts 2011 |
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| Maine House districts 2003 |
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Voting districts 2000 |
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| Maine House districts 2013 |
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Voting districts 2010 |
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Elevation and derived products
See also: https://www1.maine.gov/geolib/ediscovery/site/landing.html
| Data Layer |
Download |
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Data Layer |
Download |
| Bathymetry - Gulf of Maine 30m (BATHY30) (2/24/2004) |
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Elevations above 2700' (MECON2700) (1/1/1995) |
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| Bathymetry - Gulf of Maine 100m (BATHY100) (11/30/1999) |
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Hillshade - 2m from lidar (4/08/2013) |
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| Digital Elevation Model - 2m from lidar (4/08/2013) |
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Index for lidar collects (10/30/2014) |
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| Elevation contours (CONTOURS) (4/30/2000) |
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Lake Depth Soundings (LAKEDPTH) (10/13/2011) |
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| Elevation contours 2-foot (CONTOURS_2FT) (2/17/2015) |
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National Elevation Dataset (NED) Hillshade WMS |
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| Elevation contours 500' (MECON500) (1/1/1995) |
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Slope model - 2m from lidar (4/08/2013) |
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Facilities and structures
| Data Layer |
Download |
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Data Layer |
Download |
| Armories (1/4/2013) |
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Lighthouses (10/30/2014) |
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| Ambulance (1/7/2013) |
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Nursing homes (GeoLibrary and NG911) |
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| Boat launches (GeoLibrary and NG911) |
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Police Stations-Law Enforcement |
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| Correctional facilities (1/14/2013) |
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Public Health Departments |
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| County emergency management agencies (CEMA) (12/12/2013) |
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Red Cross Facilities (REDCROSS) (5/2/2013) |
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| EMS Stations, Fire Stations |
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Schools (GeoLibrary and NG911) |
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| Hospitals |
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State Facilities (1/15/2013) |
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| Libraries (GeoLibrary and NG911) |
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Farming and Economy
| Data Layer |
Download |
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Data Layer |
Download |
| Aquaculture -AQ Leases |
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Labor Market Areas (LMA) (1/1/2005) |
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| Economic Summary Areas 2003 (ESA03) |
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Service Centers 2012 |
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Geological and geophysical
| Data Layer |
Download |
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Data Layer |
Download |
| Aquifer polygons |
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Seismic lines |
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| Bedrock Geology 1:500K |
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Soils - county level (SSURGO) |
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| Coastal Bluff Hazards (2/24/2009) |
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Soils - state level (STATSGO2) |
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| Coastal Marine Geologic Environments |
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Surficial geology 1:24K |
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| Hurricane surge inundation - MHT 2015 |
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Surficial Geology 1:500K |
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| Flood Insurance Rate Map (FIRM) Q3 Data |
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Surficial materials data |
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| National Flood Hazard Layer (NFHL) |
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Watershed Boundary Dataset (WBD or HUCs) |
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Imagery, base maps, and land cover
(* indicates licensed data which cannot be downloaded)
NEED TO DOWNLOAD IMAGE TILES? Use the MEGIS Viewer link for the layers below and read the help file in the viewer for instructions.
See also: https://www1.maine.gov/geolib/imgdiscovery/site/landing.html
| Data Layer |
Download |
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Data Layer |
Download |
| Auburn 1998 orthophotos |
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Low Tide orthophotos central coast 2001 |
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| Augusta area orthophotos 2008 |
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Low Tide orthophotos down east 2009 |
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| Bangor-area DOQQs 1991 |
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Low Tide orthophotos Casco Bay 2013 |
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| Bangor orthophotos 2009 |
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| Bar Harbor orthophotos 2004 |
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| Bar Harbor orthophotos 2008 |
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NAIP orthophotos 2006 |
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| Bar Harbor orthophotos CIR 2008 |
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NAIP orthophotos 2007 |
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| Baxter State Park satellite imagery* 10/3/2004 |
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NAIP orthophotos 2009 |
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| Black & White orthophotos 1996-1998 (MEDOQQ) |
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NAIP orthophotos 2011 |
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| Central coast orthophotos 2006 |
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NAIP orthophotos 2013 12/17/2013 |
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| Cumberland County orthophotos 2001 (ORTHO_HF) |
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NOAA Nautical Charts |
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| Cumberland County orthophotos 2009 |
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NOAA Historic Nautical Charts (1858-1909) |
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| Debsconeags satellite imagery* 2005 (ORTHO_DEBS) |
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Penobscot Bay Low Tide 1982-3 |
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| DeLorme low-tide orthophotos* 2003 (ORTHO_MCP) |
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Piscataqua River orthophotos 2008 |
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| Fort Fairfield orthophotos 2003 (ORTHO_FF) |
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Piscataqua River orthophotos CIR 2008 |
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| GeoLibrary orthophotos 1' 2003-2005 (ORTHO_1F) |
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Portland orthophotos 2006 |
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| GeoLibrary orthophotos 2' 2003-2005 (ORTHO_2F) |
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Rockland orthophotos 2007 |
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| GeoLibrary orthophotos 2012 (10/24/2012) |
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Skowhegan orthophotos 2011 |
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| GeoLibrary orthophotos 2013 (12/9/2013) |
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South coast orthophotos 2008 |
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| GeoLibrary orthophotos 2014 (10/29/2014) |
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South Portland orthophotos 2005 |
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| Imperviousness - MELCD 2004 (IMPERV) |
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SPOT satellite imagery* 1998-2001 |
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| Imperviousness Change 2003-2007 |
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SPOT-5 satellite imagery* 2004 |
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| Hampden orthophotos 2006 |
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USGS topo maps (DRGCLIP) |
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| Houlton orthophotos 2004 |
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USGS topo maps 2011 |
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| Katahdin Lake orthophotos 2006 |
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USGS topo maps 2014 (11/24/2014) |
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| Kittery orthophotos 2006 |
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USGS 1:24,000 topo map index (INDEX24) (3/29/2004) |
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| Landcover - MELCD 2004 (MELCD) |
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USGS 1:100,000 topo map index (INDEX100) (7/1/1999) |
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| Lewiston orthophotos 1997 |
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USGS 1:250,000 topo map index (INDEX250) (7/1/1999) |
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| Lewiston-Auburn orthophotos 2006 |
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USGS 15' topo maps circa 1910 |
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| Low Tide orthophotos 2003-2005 (ORTHODMR) |
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USGS 15' topo maps circa 1945 |
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| Low Tide orthophotos 2008 |
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York orthophotos 2005 |
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| Low Tide orthophotos 2010 |
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York County orthophotos 2007 |
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Locations and geodetic networks
| Data Layer |
Download |
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Data Layer |
Download |
| Geographic Name Information System (GNIS) |
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Address locations - NG911 |
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Oceans and estuaries ⁄ Inland water resources
| Data Layer |
Download |
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Data Layer |
Download |
| Drainage Divides (MEDRDVD) |
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National Hydrography Dataset (NHD) |
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| Impoundments and dams (IMPOUNDS) (4/4/2006) |
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National Wetlands Inventory (NWI) |
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Wetland Characterizations (WETCHAR) (2/1/2005) |
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Transportation networks
| Data Layer |
Download |
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Data Layer |
Download |
| Airports |
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Retrograde Arterials (RETROART) (10/16/2003) |
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| Bridges |
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Roads - DOT (MEDOTPUBRDS) (07/21/2018) |
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| Mobility Corridors (MOBCORR) (1/16/2003) |
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Roads - NG911 |
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| Railroads |
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Utility and communication networks
| Data Layer |
Download |
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Data Layer |
Download |
| Broadband availability by town 2004 (BRDBAND) (2/28/2005) |
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Telecom service areas 2009 |
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| Cellular towers (METOWERS) (6/9/1998) |
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Telephone exchanges 2005 (TELEX) |
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| Electrical service areas 1998 (ELECSERV) |
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Telephone exchange offices 2005 (TELEXPTS) |
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| Electrical service areas 2009 |
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Water service areas 2009 |
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