The Hell Creek Formation in North Dakota
This paper is a discussion of the surface stratigraphy and petrology of the Hell Creek Formation in North Dakota and eastern Montana. Principal area of study included the Missouri Valley south of Bismarck, North Dakota; the Little Missouri Valley in Slope and Bowman Counties, southwestern North Dako...
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UND Scholarly Commons
1967
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Online Access: | https://commons.und.edu/theses/101 https://commons.und.edu/context/theses/article/1100/viewcontent/Frye__Charles_I._PhD_Diss_1970.pdf https://commons.und.edu/context/theses/article/1100/filename/0/type/additional/viewcontent/Frye_Plates.zip |