General distribution of geologic materials in the southern San Francisco Bay region, California: A digital map database

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/93-693/metadata.faq.html
Description The ssfb_m1 digital map database, which is compiled from 1970's vintage sources, represents the general distribution and identity of geologic materials in the southern San Francisco Bay region, California, west of the Calaveras fault. It is not a geol
Originators Wentworth, Carl M.
Publication U.S. Geological Survey Open-File Report 93-693

Related topics

States or counties

SSFB_M1.PAT

Digital map polygon coverage

Label Definition
PTYPE Polygon type
UNIT Map unit symbols (No definitions given)
Lslide Landslide deposits
AGE Age of deposit
LITH Lithology of map unit abbreviation
AGELITH AGE and LITH attributes combined (No definitions given)
FM Numerical symbol for geologic map unit
NPTYPE Numeric Ptype

SSFB_M1.AAT

Linear map features

Label Definition
LTYPE Line type
SOURCE Source of line information

SSFB_M1.PAT

Digital map point coverage (same attributes as polygon coverage SSFB_M1.PAT)

Label Definition