Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky - Digital Spatial Database: Basement faults

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/97-681/bfaults.faq.html
Description This cover contains faults in the unconformity at the Cambrian-Precambrian boundary. These data were contributed by Glenn Bear of Indiana University as part of the work on his doctoral thesis. The southern part of the map was produced by James Drahovzal o
Originators Rhea, Susan
Publication U.S. Geological Survey Open-File Report 97-0681

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States or counties

NC8.PAT

Geologic map units

Label Definition
PTYPE Polygon type
ALCWRG Numerical value for geologic units

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Linear geologic features

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LTYPE Line type
ALCWRG Numerical value for linear features

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Geologic map units at specific locations (same attributes as polygon coverage NC8.PAT)

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Loess polygon data set

Label Definition
PTYPE Polygon type
ALCWRG Numerical value of map unit

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Loess line data set (same attributes as arc coverage NC8.AAT)

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Loess point data set (same attributes as polygon coverage NCL.PAT)

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NCST1.AAT

structure data set symbols

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LTYPE Line type

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structure data set

Label Definition
LTYPE Line type
ALCWRG Numerical value of LTYPE

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Strike and dip information

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