USGS

Open-File Report 97-432

PRELIMINARY GEOLOGIC MAP OF THE LOS ANGELES 7.5' QUADRANGLE,
SOUTHERN CALIFORNIA: A DIGITAL DATABASE

Compiled by R. F. Yerkes and S. E. Graham


Notes:


1. Documentation files:

A. Download individual documentation files:

README file: angel.txt
Unformatted documentation file describing content and formats of this publication (19 KB)
README file as a formatted, printable PostScript file: angel.ps (880 KB)


2. Geologic map database (spatial and attribute GIS) files:

A. Download all the geologic database layers and supporting materials in ARC/INFO 7.x ASCII EXPORT format, and all of the documentation files, packaged in a single UNIX tar file, compressed with gzip:

All database files - angel.tar.gz
Includes all the geologic map database layers listed in section 2B. (below) (18 MB compressed download size, 79.1 MB when uncompressed)

- OR -

B. Download individual database layers in ARC/INFO 7.x ASCII EXPORT format, each layer compressed with gzip:

Geologic layers:

Geology - an-geol.e00.gz
Faults, contacts and geologic units (264 KB compressed download size, 960 KB when uncompressed)
Structure - an-strc.e00.gz
Attitudes and fold axes (40 K compressed download size, 400 KB when uncompressed)
Wells and Fossil Localities - an-pts.e00.gz
Exploratory oil wells and fossil localities (4 K compressed download size, 22 K when uncompressed)

Base map layers:

Composite base map - an-topo.e00.gz
Composite quadrangle base map layer in vector format (17.3 MB compressed download size, 76.8 MB when uncompressed)


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The URL for this page is: https://pubs.usgs.gov/of/1997/of97-432/
Please send comments and suggestions, or report problems, to Michael Diggles
Updated: December 9, 2005 (mfd)