National Geologic Map Database
Product Description Page
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Title: The coal fields of the United States
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Author(s): Campbell, M.R.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Professional Paper 100-A
- Publication Date: 1917
- Map Scale: 1:2,347,000
- Cross Section: None
- North Latitude: 49° 15' 0" N (49.2500)
- South Latitude: 25° 0' 0" N (25.0000)
- East Longitude: 67° 0' 0" W (-67.0000)
- West Longitude: 124° 45' 0" W (-124.7500)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.