Geologic Map of the East of Grotto Hills Quadrangle, California: A Digital Database

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-35/metadata.faq.html
Description This digital map database represents the general distribution of bedrock and surficial deposits in the mapped area. Together with the accompanying text file (egh_geo.txt, egh_geo.pdf or egh_geo.ps), it provides current information on the geologic structu
Originators Nielson, Jane E. and Bedford, David R.
Publication U.S. Geological Survey Open-File Report 99-35

Related topics

States or counties

Overview of attributes

ARC/INFO export files:
egh_geol.e00 - Faults, depositional contacts, and rock units in the East of Grotto Hills 7.5 minute quadrangle
egh_str.e00 - Strike and dip information in the East of Grotto Hills 7.5 minute quadrangle
egh_smpl.e00 - Dated Sample localities in the East of Grotto Hills 7.5 minute quadrangle
egh_topo.e00 - Topographic base map taken from a scan of the East of Grotto Hills topographic quadrangle.

http://pubs.usgs.gov/of/1999/0035/pdf/egh_geo.pdf

EGH_GEOL.PAT

Geologic map units

Label Definition
PTYPE Polygon type

EGH_GEOL.AAT

Linear geologic features

Label Definition
LTYPE Line Type

EGH_GEOL.PAT

Geologic map units at specific points

Label Definition
PTYPE Point Type

EGH_SMPL.PAT

Dated Sample localities in the East of Grotto Hills 7.5 minute quadrangle

Label Definition
PTTYPE Point Type
SAMPNO Sample number

EGH_STR.PAT

Strike and dip information in the East of Grotto Hills 7.5 minute quadrangle

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