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State
MD iMAP: Maryland Election Boundaries - Maryland Legislative Districts 2012
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon layer contains the 2012 Maryland State Legislative Districts.Feature... -
State
MD iMAP: Maryland Election Boundaries - US Congressional Districts 2011
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon layer contains the 2011 United States Congressional Districts in the... -
Federal
2016 Cartographic Boundary File, 115th Congressional Districts for United States, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2016 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /Topologically...