National Geologic Map Database
Product Description Page
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Title: Upper Cretaceous (Maastrichtian) ammonites from the Nostoceras alternatum Zone in southwestern Arkansas
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Author(s): Cobban, W.A., and Kennedy, W.J.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 1985 [p. E1-E6]
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Larger Work: Sando, W.J., ed., Shorter contributions to paleontology and stratigraphy
- Publication Date: 1991
- Cross Section: None
- North Latitude: 33° 44' 58" N (33.7494)
- South Latitude: 33° 39' 38" N (33.6606)
- East Longitude: 93° 50' 1" W (-93.8336)
- West Longitude: 93° 56' 34" W (-93.9428)
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