Digital geologic map of part of the Thompson Falls 1:100,000 quadrangle, Idaho

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-438/metadata.faq.html
Description The geology of the Thompson Falls 1:100,000 quadrangle, Idaho was compiled by Reed S. Lewis in 1997 onto a 1:100,000-scale topographic base map for input into an Arc/Info geographic information system (GIS). The digital geologic map database can be queri
Originators Lewis, Reed S. and Derkey, Pamela D.
Publication U.S. Geological Survey Open-File Report 99-438

Related topics

States or counties

Overview of attributes

The 'Digital geologic map of part of the Thompson Falls
1:100,000 quadrangle, Idaho' Open-File Report 99-438 contains
a detailed description of each attribute code and a reference
to the associated map symbols on the map source materials.
The GIS includes a geologic linework arc attribute table,
tf100k.aat, that relates to the tf100k.con (contact look-up
table), tf100k.str (structure look-up table), and tf100k.ref
(source reference look-up table) files; a rock unit polygon
attribute table, tf100k.pat, that relates to the tf100k.ru
(rock unit look-up table) and tf100k.ref (source reference
look-up table) files; and a geologic map symbol point
attribute table, tfpnt.pat, that relates to the tfpnt.sym
(structural point data look-up tables) and tfpnt.ref (source
reference look-up table) files.

A detailed description of the items in the Thompson Falls 100K GIS is given in the text of the Open-File Report 99-348 available in Adobe Acrobat PDF format on the World Wide Web at http://pubs.usgs.gov/of/1999/0438/pdf/OF99-438.PDF