|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
|Walker, G. W.; MacLeod, N. S.; Miller, Robert J.; Raines, Gary L.; and Connors, K. A.
|U.S. Geological Survey Open-File Report 03-67
Polygon delineating the planimetric area of a landslide found in coverages whose names begin with ls, ols, or yls
|Some regions within landslides were apparently unaffected by the landslide (that is, they represent areas bypassed by the landslide but are within its outer boundaries) This attribute is used to distinguish those areas from the landslide itself.
Polygon in the mm coverages, used to indicate the method by which landslides were identified, found in coverages whose names begin with mm.