Mapping

A DEM viewer for SRTM DEM Data.

PC Digitizer. Digitize scanned images, graphs, maps etc.

Geology Map Symbol Chart A4, 2 Pages, Compatible with all Geology Fonts/Maps.

Calculates distances from two points given latitude and longitude.

Open source GIS software for viewing and editing GIS Data.

Mineral spectral data

Various Coordinate Conversion Programs (Geodetic)

Chart of Paleontology Symbols for Core Descriptions/Maps. From USGS of99-430.

USGS Geologic map patterns. Vector based geology patterns in pdf.

A mineral spectra viewer program for USGS Spectra Data.

USGS Geologic map symbols.