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/ USGS: National Coal Resou…s & Great Plains Regions / USGS National Coal Resource Assessment 1999 - Northern Rocky Mountains & Great Plains Regions - Disc 2.iso / PROGRAM / Tools / Bitmaps / union.bmp (.png) < prev    next >
Bitmap Image  |  1998-04-18  |  41.3 KB  |  202x202  |  4-bit (5 colors)
   ocr: About Union This operation combines teatures ofan input theme with the polygons - from an overlay theme to produce an output theme that contains the attributes and full extent of both themes. - - - - - . - - = - - - - - - - A - - - - - Input Overlay Output