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Digital geologic map of the Coeur d'Alene 1:100,000 quadrangle, Idaho and Montana

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Digital geologic map of the Coeur d'Alene 1:100,000 quadrangle, Idaho and Montana; 2000; OFR; 2000-135; digital compilation by Munts, Steven R.

Summary

Between 1961 and 1969, Alan Griggs and others conducted fieldwork to prepare a geologic map of the Spokane 1:250,000 map (Griggs, 1973). Their field observations were posted on paper copies of 15-minute quadrangle maps. In 1999, the USGS contracted with the Idaho Geological Survey to prepare a digital version of the Coeur d’Alene 1:100,000 quadrangle. To facilitate this work, the USGS obtained the field maps prepared by Griggs and others from the USGS Field Records Library in Denver, Colorado. The Idaho Geological Survey (IGS) digitized these maps and used them in their mapping program. The mapping focused on field checks to resolve problems in poorly known areas and in areas of disagreement between adjoining maps. The IGS is currently [...]

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Harvested on Mon Jul 21 11:59:32 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown ofr00135
local-pk unknown 31148
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.3133/ofr00135
series unknown Open-File Report

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journalOpen-File Report
languageEnglish
citationTypeReport

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