Geologic Map of the Central Marysvale Volcanic Field, Southwestern Utah

Online link https://geo-nsdi.er.usgs.gov/metadata/map-i/2645/a/metadata.faq.html
Description The geologic map of the central Marysvale volcanic field, southwestern Utah, shows the geology at 1:100,000 scale of the heart of one of the largest Cenozoic volcanic fields in the Western United States. The map shows the area of 38 degrees 15' to 38 deg
Originators Rowley, Peter D.; Cunningham, Charles G.; Steven, Thomas A.; Workman, Jeremiah B.; Anderson, John J.; and Theissen, Kevin M.

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Overview of attributes

Polygons are given a general type and formation name; arcs are given a general type, dikes are also assigned a unit symbol.  Points are given a general type.  These values are currently listed in files *.tbl accompanying the ArcInfo interchange files.

http://pubs.usgs.gov/imap/i-1819/data/