1. Geoscience Data Catalog

San Francisco Bay Region Landslide Folio Part E - Map of debris-flow source areas in the San Francisco Bay region, California

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/97-745/f/metadata.faq.html
Description These maps show, for emergency service managers in the San Francisco Bay region, the threshold rainfall that may be capable of triggering a level of debris-flow activity likely to threaten public safety. The maps are products of a continuing series of
Originators Wilson, R. C. and Jayko, Angela S.
Publication U.S. Geological Survey Open-File Report 97-0745-F

Related topics

Geologic history, Geologic maps, Geology, Geospatial datasets, Landslides, Surficial geologic units, GeoscientificInformation

States or counties

Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano, Sonoma

CP-GEOL.PAT

Geologic map units symbols (no full descriptions found)

Label Definition

CP-GEOL.AAT

Linear geologic features

Label Definition
LTYPE Line type

CP-GEOL.PAT

Geologic map units at specific locations (same attributes as polygon coverage CP-GEOL.PAT)

Label Definition

CP-STRC.AAT

fold axes

Label Definition
LTYPE Line type

CP-STRC.PAT

Strike and dip information of bedding

Label Definition
PTTYPE Point type
DIP Dip of bedding
STRIKE Strike of bedding

CP-FOSS.PAT

Fossil localities, supporting data given in Yerkes and Campbell (1993)

Label Definition
PTTYPE Point type (No definitions found)
SAMPNO Sample number
QUAD Quadrangle abbreviated name
SEC Section number
SOURCE Source of fossil localities information
MAP_NO Point ID used on map (No definitions found)
COLL-NO Collector's number (No definitions found)
RW Range west
AGE Age of fossil (symbol) (no definitions of symbols found)
UNIT Geologic unit symbol (No definitions found)

CP-WELLS.PAT

Well localities, supporting data given in Yerkes and Campbell (1993), and Yerkes and Showalter (1990)

Label Definition
PTTYPE Point type
QUADRANGLE Quadrangle abbreviated name
MAP_NUMBER point ID used on map
TOWNSHIP OFR-95-90
RANGE_WEST Range west
SECTION Section number
OPERATOR Operator name (No definitions found)
NAME/NUMBER name/number of well (No definitions found)
ELEV. Elevation (ft.)
YEAR year drilled
TD Total depth (ft.)
BOTTOM Bottom-hole geology (No definitions found)