Geologic Map of the eastern part of the Challis National Forest and vicinity, Idaho

Online link https://geo-nsdi.er.usgs.gov/metadata/map-i/2395/metadata.faq.html
Description The paper version of the Geologic Map of the eastern part of the Challis National Forest and vicinity, Idaho was compiled by Anna Wilson and Betty Skipp in 1994. The geology was compiled on a 1:250,000 scale topographic base map. TechniGraphic System, I
Originators Wilson, Anna B. and Skipp, Betty A.
Publication U.S. Geological Survey Miscellaneous Investigations Series Map I-2395

Related topics

States or counties

Overview of attributes

The databases in this report were compiled in ARC/INFO, a commercial Geographic Information System (Environmental Systems Research Institute, Redlands, California).

U.S.G.S. Miscellaneous Investigations Series Map 2395 files rocks_1.txt and rocks_2.txt

CHALLISNF.PAT

geologic map unit coverage

Label Definition
NAME Map unit abbreviation
DESC Full name of map unit

CHALLISNF.AAT

Geologic map unit boundaries

Label Definition
ACCURACY Accuracy of map unit boundaries
GEOCODE_L Differing boundaries

FAULTS.AAT

Mapped faults area

Label Definition
ACCURACY Accuracy of mapped faults
FAULTTYPE Types of faults found in mapped area
GEOCODE_L Indicates difference between fault and rock slide