| # GRASS Help System

National Geodetic Information Center

## (NGIC)

NGIC: Geodetic Control Information

Data Source:

National Geodetic Information Center
Rockville, MD 20852
Phone: (301)443 Geodetic Data - 8631, Digital Data Catalog - 8316

Data Format:

Tabular

Scale:

Not applicable

Data Coverage:

Entire U.S.

Data Description:

A digital database of geographic control points on
the Earth's surface with specified latitude, longitude, & elevation
values. Horizontal, vertical, & gravimeteric data can be referenced
by maximum/minimum latitude/longitude, state, or quad ID's.

Media:

Information can be supplied on computer tape, printout, or, for
horizontal data, direct access is available (see comments).

Aquisition Costs:

Approx. $150-200/format for a state on 9 track tape. Computer
printouts of the same data is less expensive. For costs associated
with direct access, call number below.

Comments:

For information on direct access call the NGS Systems Development
Branch (301)443-8380.

For more information about formats, costs, and availability
write/call the above address for:
"National Geodetic Survey - Digital Data Base Products".

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Automatically created on: Sat Oct 15 07:07:25 2005