|The Redlands 7.5' quadrangle is located in the southeastern margin of the San Bernardino Basin, an extensional region situated in a right-step-over zone within the San Andreas Fault system. The quadrangle is traversed by several important fault zones, in
|Matti, Jonathan C.; Morton, Douglas M.; Cox, Brett F.; and Kendrick, Katherine J.
|U.S. Geological Survey Open-File Report 03-302
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.