Walker, G. W.

About the author

U.S. Geological Survey, Central Region, Rocky Mountain area, Geology discipline
Bedrock geologic units, Geologic maps, Geologic structure, Geology, Geospatial datasets

Spatial digital database for the geologic map of Oregon

This report publishes a geologic digital spatial database (ORGEO) for the geologic map of Oregon by Walker and MacLeod (1991) which was originally printed on a single sheet of paper at a scale of 1:500,000 and accompanied by a second sheet for map unit de