Dennis Bridge Limestone Bed of Hill Creek Member of Lazy Bend Formation of Strawn Group (TX)
Dennis Bridge Limestone Member of Lazy Bend Formation of Strawn Group (TX)
Dennis Bridge Limestone Member of Millsap Lake Formation (TX)
Dennis Bridge Limestone Member of Rayville Formation of Kickapoo Creek Group (TX)
Middle Pennsylvanian
Type locality: outcrops at end of bridge over Brazos River at Dennis in southwestern part of Parker County, north-central Texas. Exposure extends westward along the Brazos for 0.25 mi to valley of tributary; basal 3 feet is exposed in small outcrop in stream bank 0.5 mi east of south end of bridge at Dennis; these are the only surface occurrences of the limestone (Plummer and Hornberger, 1936; Hendricks, 1957).
Fort Worth syncline
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