We are pleased to have this opportunity to address the main points raised by Krause and Braunberger (2015).

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In 1964, Scott and Cobban, in their study of the Peck Creek section, noted that the top of bed 29 was “very smooth,” a description not applied by them to any other bed in the Fort Hays Limestone succession. The top of bed 29 was also singled out by Barlow and Kauffman (1985, p. 201) as a distinctive surface, termed PNF-4, that could be “...traced as a regional marker...” and “...may mark a minor disconformity in the middle of the...

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