MassGIS 2003 Massachusetts Hydrography (1:100,000) (Polygons) (August 2000)
- MassGIS (Office : Mass.)
- This datalayer contains polygons representing Massachusetts ponds, lakes, reservoirs, and rivers. MassGIS has adapted and modified the U.S. Geological Survey 1:100,000 Hydrography Digital Line Graph (DLG) quadrangle files to produce two layers: Hydrography (1:100,000) Polygons - ponds and lakes, Hydrography (1:100,000) Arcs - streams and rivers.
- Office of Geographic and Environmental Information (MassGIS)
- Held by:
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