| http://www.w3.org/ns/prov#value | - ND Hub Explorer on the ND GIS Hub website; free resource which allows the user to view and create maps, including USGS topographic maps, with a map layer for the USGS Quadrangle Index (provides Map Quad names) http://web.apps.state.nd.us/imf/sites/hubexplorer/jsp/index.jsp
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