This is a georeferenced raster image of a printed paper map of the Brockville, Ontario / United States region (Sheet No. 031B12), published in 1982. It is the seventh edition in a series of maps, whic
These data are schematized with map symbols and others based on vector data of topographic map. There are two types of data available: (data1: geometrically corrected data) and (data2: raw image data)
The surficial geology, wetlands, and deepwater habitats of the Coeur d' Alene River Valley, Idaho were mapped by Arthur A. Bookstrom and Stephen E. Box (1996-1998) onto 1:24,000 scale topographic base
AUSGeoid98 data files contain a 2 minute grid of AUSGeoid98 data covering the Australian region, which you can use to interpolate geoid-ellipsoid separations for the positions required.You can use you