U.S. Department of the Interior
U.S. Geological Survey
Digital Mapping Techniques ’04—
Workshop Proceedings
Edited by David R. Soller
May 16-19, 2004
Portland, Oregon
Convened by the
Association of American State Geologists
and the
United States Geological Survey
Hosted by the
Oregon Department of Geology and Mineral Industries
U.S. Geological Survey Open-File Report 2004 –1451
2004