Annual Report for ... with Accompanying PapersPublished for the Iowa Geological Survey, 1914 - Geology |
Contents
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Common terms and phrases
air-dried sample alluvium Anamosa bluff bowlders Buchanan gravels buff calcareous Calorific value Carbon Cedar Valley cement cent chert City clay coarse color compact corner of section corrected to sample creek cross-bedded crushed stone Decorah deposits Devonian Dolomite Dubuque east evenly bedded exposed exposure feet in thickness fine-grained flood plain fossiliferous gravel and sand gray hills inches in thickness indurated Iowa Iowa coals Iowan iron-stained Kansan Keokuk layers ledges lime Lime creek Limestone located loess Louis limestone lower magnesian Maquoketa material Moines river moisture Niagaran northeast northwest opened outcrops pebbles places Platteville quarry quarter of section Raccoon river Railway road and concrete rock Saint Louis Sample Number sand and gravel sandstone shale shaly shows Sioux Skunk river southeast southwest quarter stream Stream Terraces subcrystalline sulphur Terrace Gravel Terrace Sand thin town township twenty feet Union township upper vicinity Wapsipinicon weathered Winneshiek county yellow