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USGS Mapping Science Software


The USGS maintains a collection of public-domain software developed by or for the USGS, including cartographic, map production and revision, geospatial metadata, and mapping products access applications.

Although these programs have been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy and functioning of the programs and related program material nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the USGS in connection herewith.

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USGS Data Viewer

dlgv32 icon dlgview32. Free Windows 95/98/NT/2000/ME/XP software for viewing a variety of USGS digital cartographic data, including digital line graphs (DLG), digital raster graphics (DRG), and a variety of vector, image, and elevation data, including several types of SDTS data.

Topographic Mapping Applications

Aero-Triangulation System software
A collection of Fortran and C programs, UNIX shell scripts, and text files used to perform image coordinate refinement, block adjustment, statistical reporting, and plotting.
Spatial Data Transfer Standard (SDTS) Support software
The USGS has developed several software tools to assist programmers with implementing SDTS.

Geologic Mapping Applications

GSMCAD
A Windows program for the preparation of geologic maps.

Water Resources Applications

Water Resources Applications software
A collection of programs and utilities that are used in research and hydrologic studies to determine the quantity, quality, and location of water resources in the United States.

Digital Geospatial Metadata Creation and Validation Software

Metadata Tools
Metadata is information that characterizes data and is used to provide documentation for data products.

Non-specific data handling utilities

Tools and Utilities
A set of utilities and programs applicable to a variety of uses.