Preliminary maps of Quaternary deposits and liquefaction susceptibility, nine-county San Francisco Bay region, California: a digital database

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/00-444/metadata.faq.html
Description This report presents a preliminary map and database of Quaternary deposits and liquefaction susceptibility for the nine-county San Francisco Bay region, together with a digital compendium of ground effects associated with past earthquakes in the region. T
Originators Knudsen, Keith L.; Sowers, Janet M.; Witter, R. C.; Wentworth, Carl M.; Helley, E. J.; Nicholson, R. S.; Wright, H. M.; and Brown, K. M.
Publication U.S. Geological Survey Open-File Report 00-444

Related topics

States or counties

Overview of attributes

The dataset consists of three coverages:
>EXTENTS (probable Cordilleran ice extents)
>100M_CONT (bathymetric contours below -300 meters)
>25M_CONT (bathymetric contours above -300 meters)
>
>
><EXTENTS.AAT>
>item explanation:
>DESCRIPTION--short description of line feature
>
>COLUMN   ITEM NAME      WIDTH   OUTPUT   TYPE   N.DEC
>1        FNODE#             4        5      B       -
>5        TNODE#             4        5      B       -
>9        LPOLY#             4        5      B       -
>13       RPOLY#             4        5      B       -
>17       LENGTH             4       12      F       3
>21       EXTENTS#           4        5      B       -
>25       EXTENTS-ID         4        5      B       -
>29       DESCRIPTION      100      100      C       -
>
>DESCRIPTION
>Chatham Strait fault
>Fairweather/Queen Charlotte fault
>probable late Wisconsin Cordilleran ice marginal position
>probable pre-late Wisconsin Cordilleran ice marginal position
>submarine slide scarp
>
>
><100M_CONT.AAT>
>item explanation:
>CONTOUR--bathymetric contour interval, in meters below sea level
>(100-meter increments)
>
>COLUMN   ITEM NAME      WIDTH   OUTPUT   TYPE   N.DEC
>1        FNODE#             4        5      B       -
>5        TNODE#             4        5      B       -
>9        LPOLY#             4        5      B       -
>13       RPOLY#             4        5      B       -
>17       LENGTH             4       12      F       3
>21       100M_CONT#         4        5      B       -
>25       100M_CONT-ID       4        5      B       -
>29       CONTOUR            8       14      F       0
>
>CONTOUR
>values between -300 and -3100 (100-meter increments)
>
>
><25M_CONT.AAT>
>item explanation:
>CONTOUR - bathymetric contour interval, in meters below sea level (25-meter increments)
>
>COLUMN   ITEM NAME      WIDTH   OUTPUT   TYPE   N.DEC
>1        FNODE#             4        5      B       -
>5        TNODE#             4        5      B       -
>9        LPOLY#             4        5      B       -
>13       RPOLY#             4        5      B       -
>17       LENGTH             4       12      F       3
>21       25M_CONT#          4        5      B       -
>25       25M_CONT-ID        4        5      B       -
>29       CONTOUR            8       14      F       0
>
>CONTOUR
>values between 0 and -275 (25-meter increments)

http://pubs.usgs.gov/mf/2003/mf-2424/mf-2424_508.pdf