Annual Report for ... with Accompanying PapersPublished for the Iowa Geological Survey, 1909 - Geology |
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Common terms and phrases
average basins bituminous blue bluffs bogs boiler Boone county Braddyville brown brownish black C. A. White C. R. Keyes calculated on dried Calorific value Carbon Carboniferous cent Cerro Gordo coal bed Coal Company Coal Measures creek dark depth district dried coal drift drilling Emery Rush Emery feet A. T. feet deep feet in thickness feet thick fibrous Fire clay four feet G. E. Patrick hoisting Ibid inches thick Iowa coal Iowa Geol Jasper county light-colored limestone Louis limestone lower Mahaska county Marion county moisture operated Oskaloosa Ottumwa outcrop peat Polk Polk county pounds producer railroad Rept Rock roof Rush Emery Rush Saint Louis sample Sandstone sandy shaft Skunk river slate slope Soapstone Soapstone shale southwest steam strata surface Surv thin three feet tons Total township upper valley vein Webster county Winnebago


