Maryland

Kees DeJong

1. USGS Products

2. Eros Data Center

3. USGS Global Visualization Viewer (Landsat 1-3, 4, 5, 7; MRLC 1992, 2001; Ortho ETM, Orthorectified Ortho TM, ETM, Pansharp ETM; Aster VNIR, TIR

Maryland

1. MdMaps - source of GIS resources –

2. Merlin Online makes GIS maps ‘on the fly’! Counties and a few local projects. No Geology

3. Maryland Geological Survey lists on its home page three types of maps for download: Maryland shore lines; county boundaries and shoreline change data. Both .DXF and .SHP files, and metadata files accompany each file.

Available on CD-ROM are Digital Quad Geol. maps and County Geol. maps as well as Shoreline Change maps. Each CD has a PDF file for printing and various ArcGis 8.2 and higher files.