Report of John L. Riddell, M.D.: One of the Special Committee Appointed by the Last Legislature to Report on the Method of Obtaining a Complete Geological Survey of the State |
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abundant acid Adams county animals argillaceous Athens Athens county bank beautiful bed of coal bituminous blue limestone bottom Brush creek buhr Butler county calcareous canal carbonate of lime character Cincinnati clay cliff limestone coal measures color compact conglomerate contains deposit depth earth east elevated extensive feet in thickness feet thick flinty fork formation fossil fragments furnace geological Geologist grains gravel hills Hocking Hocking county inches iron Jackson Jackson county Lake Erie land layers Licking localities manufacture marl masses materials miles mineral mouth Muskingum Muskingum county Muskingum river nearly Nelsonville Note observed Ohio river peat pebbles places portion probably quantity quarry region ridges saline salt sand sand-rock sandstone Scioto seen shale shells side silicious slate slaty soil species specimen spring stone strata stratum stream Sunday creek surface survey thin tion township trees valley valuable vegetable vicinity West Union western Zanesville