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Title: Ordovician fossils from wells in the Williston basin, eastern Montana
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Author(s): Ross, R.J., Jr.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 1021-M [p. M439-M510]
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Larger Work: Contributions to general geology, 1955
- Publication Date: 1957
- Cross Section: None
- North Latitude: 49° 55' 52" N (49.9311)
- South Latitude: 44° 8' 0" N (44.1333)
- East Longitude: 97° 0' 0" W (-97.0000)
- West Longitude: 108° 30' 0" W (-108.5000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.