Roberts, Michelle A.

About the author

U.S. Geological Survey, Western Region, Alaska area, Director's office
Geology, Geospatial datasets, Landslides, Surficial geologic units, GeoscientificInformation

Landslides in Alameda County, California, A Digital Database Extracted from Preliminary Photointerpretation Maps of Surficial Deposits by T.H. Nilsen in USGS Open-File Report 75-277

All or part of 25 7.5-minute quadrangles identifying 8465 Landslides largely slow-moving slides and earth flows in Alameda County, California, have been converted to a digital-map database, compiled at 1:24,000 scale and plotted at 1:62,500 scale, that ca