Annual Report for ... with Accompanying PapersPublished for the Iowa Geological Survey, 1893 - Geology |
Contents
MINERAL PRODUCTION IN IOWA IN 1917 AND 1918 JAMES H LEES | 3 |
Map showing location of gypsum deposits and mills in the United States 80 | 38 |
ITS OCCURRENCE ORIGIN TECHNOLOGY AND USES FRANK A WILDER | 47 |
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amount anhydrite beams briquettes calcined gypsum calcium sulphate carbonate cent Centerville chapter chemical clay Coal Measures coat Colfax township color Cooper township crystals Dodge beds Dodge gypsum Drift exposures feet thick fertilizer fibre figure finish Geological gray grinding gypsite gypsum blocks Gypsum Deposits gypsum floor gypsum industry gypsum mills gypsum occurs heat hydraulic gypsum inch Iowa Jour Kansas kettle layer lime limestone Lizard creek load Louis limestone material method miles mineral mixed Moines mold normal consistency Nova Scotia Permian plaster of Paris plasticity Portland cement quantities quarry raw gypsum reinforcement reported retarder river rock salt sample sand sandstone sea water short tons shown shows slab Soil Soldier creek soluble Sulfur sulphur surface Survey Bull temperature tensile strength tile tion tons township U. S. Geol wall board wall plaster water of crystallization Webster county weight