Revised as a member (1 of 6 named members) of Savanna sandstone. Savanna is one of five formations that replaces use of Winslow formation in this area. [Preferred use of Winslow as a result of this study not clearly stated.] Area of this report is in Muskogee Co, OK on the Chautauqua platform. In a composite section of the Savanna sandstone in the northern part of Muskogee Co, Spaniard limestone member shown as consisting of blue-gray, fossiliferous, calcareous shale 1 1/2 ft thick; dark gray-to-black, fossiliferous shale weathering buff which is 6 inches thick; and dark-gray, fine-grained limestone weathering brown which is 1 ft 2 inches thick. Separated from overlying Sam Creek limestone member (new) of Savanna sandstone by 40 ft of shale of Savanna. Overlies Keota sandstone member (new) of Savanna. Columnar section. Stratigraphic table. Geologic map. Of Early Pennsylvanian age.

Source: GNU records (USGS DDS-6; Denver GNULEX).