Bulletin, Issue 2The Survey, 1905 - Geology |
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13 feet 9 feet average Beaverton bogs boiler breeze and ash British thermal units burned calculated from ultimate Calorific value calculated Calorific value determined cent Center township Centerville coal Cerro Gordo county Chariton coal Clear Lake township coal-testing plant coking test cost cut peat deposit of peat Dows engine feet in depth feet of clean feet of peat feet of vegetable Gibson coal Grant township Hanlontown Hydrogen Illinois coal IOWA COAL TESTS Labora laboratory car samples Laddsdale coal Lake Mills large marsh Louisiana Purchase Exposition machine peat Mammoth Vein coal marsh covers Meservey Norway township Oxygen Palo Alto county peat briquettes peat deposits peat fuel peat marshes PEAT RESOURCES portion of section Prox RESOURCES OF IOWA RESULTS OF IOWA Ruthven sample tory car Scarville showed a depth solid peat Steam tests Sulphur swamp thermal units Calorific ultimate analysis vegetable matter Washed coal Winnebago county wood Worth county