|An isostatic residual gravity map of the Big Bear Lake 100,000 scale quadrangle, California was prepared and then this data set used with other information to compute the configuration of several ground water basins. Basin thickness maps were then prepare
|Roberts, C. W.; Jachens, Robert C.; Katzenstein, A.; Smith, G. A; and Johnson, R.
|U.S. Geological Survey Open-File Report 02-353
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.