National Geologic Map Database
Product Description Page
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Title: Katka, Tunnel No. 8, and Kootenai Falls Dam sites, Kootenai River, Idaho and Montana [Tunnel No. 8 Dam site]
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Author(s): Erdmann, C.E.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Water-Supply Paper 866-A [p. 23-27]
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Larger Work: Geology of dam sites on the upper tributaries of the Columbia River Idaho and Montana, Part 1
- Publication Date: 1941
- Map Scale: 1:10,900
- Cross Section: Yes
- North Latitude: 48° 46' 44" N (48.7790)
- South Latitude: 48° 44' 31" N (48.7420)
- East Longitude: 116° 0' 0" W (-116.0000)
- West Longitude: 116° 2' 31" W (-116.0420)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.