1. Geoscience Data Catalog

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

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-504/metadata.faq.html
Description 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
Originators Roberts, Sebastian; Roberts, Michelle A.; Brennan, Eileen M.; and Pike, Richard J.
Publication U.S. Geological Survey Open-File Report 99-0504

Related topics

Geology, Geospatial datasets, Landslides, Surficial geologic units, GeoscientificInformation

States or counties

Alameda

BCONTOURS.PAT

attributes of point symbols

Label Definition
SYMBOL code for symbol used to plot syncline, anticline features

BCONTOURS.AAT

attributes of contour lines

Label Definition
DEPTH depth to Cambrian-PreCambrian unconformity, in thousands feet below sea level
SYMBOL code for symbol used to plot contours