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Hill slope east side of Sullivan Creek, 5.5 miles north of Batesville, shows outcrops of the Joachim and Plattin limestone. Independence County, Arkansas. 1918. Plate 5-B in U.S. Geological Survey. Bulletin 734. 1923.
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Pebbles of manganese ore from a gravel bed in a small stream1.75 miles east of Cushman; one half natural size. Independence County, Arkansas. 1918. Plate 7-B in U.S. Geological Survey. Bulletin 734. 1923.
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Blowing cave on east side of Polk Bayou 3.5 miles north of Batesville. The bluff at whose base is the entrance to the cave is composed of the Kimmswick limestone. The ledges above the bluff are composed of the Fernvale limestone. Independence County, Arkansas. 1918. Plate 6-A in U.S. Geological Survey. Bulletin 734. 1923.
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Looking north at Penters Bluff station, showing characteristic outcrops of Plattin limestone on the hill slope. Manganese ore ready for shipment is shown on platform near railroad. Izard County, Arkansas. 1918. Plate 2-B in U.S. Geological Survey. Bulletin 734. 1923.
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Polished specimens of manganese ore from the Batesville district. Slab of manganese ore from the Wildcat prospect showing an intimate mixture of hausmanite and psilomelane in a roughly zonal arrangement and a radiating mass of white barite at the center. The light steel-gray mineral and the black mineral immediately adjacent to the barite are psilomelane: the rest of the black mineral is hausmanite. Natural size. Independence County, Arkansas. 1918. Plate 10-C in U.S. Geological Survey. Bulletin 734. 1923.
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Bluff on White River just north of Walls ferry station; show Boone chert resting un conformably upon Penters chert. The basal bed (limestone) of the Boone thins out to the left, looking north. Independence County, Arkansas. 1918. Plate 6-B in U.S. Geological Survey. Bulletin 734. 1923.