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Title: A regionally extensive altered air-fall ash for use in correlation of lithofacies in the Upper Cretaceous Williams Fork Formation, northeastern Piceance Creek and southern Sand Wash basins, Colorado
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Author(s): Brownfield, M.E., and Johnson, E.A.
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Publishing Organization: The Rocky Mountain Association of Geologists
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Larger Work: Stone, D.S., and Johnson, K.S., eds., New interpretations of northwest Colorado geology
- Publication Date: 1986
- Cross Section: None
- North Latitude: 41° 0' 12" N (41.0033)
- South Latitude: 36° 59' 33" N (36.9925)
- East Longitude: 102° 2' 31" W (-102.0419)
- West Longitude: 109° 3' 36" W (-109.0600)
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