# GRASS Help System

National Cartographic Information Center

## (NCIC)

A good first step in determining the type and extent of digital data available for a specific region is to contact the National Cartographic Information Center (NCIC) and ask for a listing of data for your area. NCIC maintains an updated listing of all digital spatial data sources in the U.S., and they offer a search service for specified geographic regions. They can also supply indexes showing the status of coverage in your area.

Addresses of national and regional NCIC offices are listed below.

NATIONAL

NCIC Information Center U.S. Geological Survey 507 National Center Reston, VA 22092 Phone: (703)860-6336/FTS 928-6045

REGIONAL

Eastern Mapping Center Mid-Continent Mapping Center U.S. Geological Survey U.S.Geological Survey 536 National Center 1400 Independence Rd. Reston, VA 22092 Rolla, MO 65401 Phone: (703)860-6336/FTS 928-6336 Phone: (314)341-0851/FTS 277-0851

NCIC Rocky Mountain Mapping Center U.S. Geological Survey U.S. Geological Survey National Space Technology Laboratories Box 25046, Stop 504 Federal Center NSTL Station, MS 39529 Denver, CO 80225 Phone: (601)688-3544/FTS 494-354 Phone: (303)234-2326/FTS 234-23264

Western Mapping Center Alaska Office-NCIC U.S. Geological Survey U.S. Geological Survey 345 Middlefield Rd. Skyline Bldg., 218 E St. Menlo Park, CA 94025 Anchorage, AK 99501 Phone: (415)323-8111,ext.2427/FTS 467-2427 Phone: (907)271-4148/FTS 271-4159

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Automatically created on: Fri Oct 20 10:09:59 2006