Hydrography (1:100,000) (Arcs)
- MassGIS has adapted and modified the U.S. Geological Survey 1:100,000 Hydrography Digital Line Graph (DLG) quadrangle files to produce two layers: * HYDRO100K_POLY - ponds and lakes * HYDRO100K_ARC - streams and rivers In ArcSDE the layers are named as listed above. In the BASIN library, the coverages are named HD100_<num> where <num> represents the tile unit of the basin index. Annotation features were also created.
- rivers streams water hydrography
- Held by
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