Digital geologic map of the Sandpoint 1- by 2-degree quadrangle, Washington, Idaho, and Montana

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-144/metadata.faq.html
Description The geology of the Sandpoint 1:250,000 quadrangle, Washington, Idaho, and Montana was mapped by F.K. Miller, R.F. Burmester, D.M. Miller, and R.E. Powell between 1963 and 1995 onto a scale-stable 1:250,000 topographic map base and subsequently input into
Originators Miller, Fred K.; Burmester, Russell F.; Miller, David M.; Powell, Robert E.; and Derkey, Pamela D.
Publication U.S. Geological Survey Open-File Report 99-144

Related topics

States or counties

Overview of attributes

The 'Digital geologic map of the Sandpoint 1:250,000 quadrangle,
Washington, Idaho, and Montana' Open-File Report 99-xxx text 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,
sand250k.aat, that relates to the sand250k.con (contact look-up
table), sand250k.str (structure look-up table), sand250k.lgu
(linear geologic unit look-up table) and sand250k.sr1 and
sand250k.sr2 (source reference look-up tables) files; a rock unit
polygon attribute table, sand250k.pat, that relates to the
sand250k.ru (rock unit look-up table) and the sand250k.sr1 and
sand250k.sr2 (source reference look-up tables) files.

http://pubs.usgs.gov/of/1999/0144/of99-144_text.pdf