Shows location of shale, extra shale, and coal slope. "Clays of Parke County." Detached from: The clays and clay industries of Indiana / W. S. Blatchley. In Indiana Department of Geology and Natural Resources twenty-ninth annual report ... 1904. Indianapolis : Wm. B. Burford, 1905. Page 119.Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1905]; Imprint: [Indianapolis] : [Wm. B. Burford], [1905]Dimensions: on sheet 22 x 14 cmJPEGG4093.P2H5 1904 .B75engIndiana. Department of Geology and Natural ResourcesPublicMines and mineral resourcesShaleBridgeton and vicinity, showing location of shale depositsMapsIndiana--Bridgeton RegionIndiana--Parke CountyIndiana1905Indiana University