GIS and Geologic Mapping Part 1 of 2 Tools and methods to get started using GIS as a base for geologic mapping USGS Astrogeology.
GIS and Geologic Mapping Part 2 of 2 Tools and methods to get started using GIS as a base for geologic mapping USGS Astrogeology.
Oct 2008 GIS for Planetary Geologic Mappers 1 GIS and Geologic Mapping Day 2 Tools and methods to get started using GIS geologic mapping USGS Astrogeology.
U.S. Government Use of the OAI-PMH
