Annual Report for ... with Accompanying PapersPublished for the Iowa Geological Survey, 1917 - Geology |
Contents
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Common terms and phrases
ALDEN border boring boundary bowlders brown brownish Buena Vista county buff calcareous Carroll county Cedar CHAMBERLIN Cherokee cherts Clay county color dense deposits dissected Dissolved drainage drift plain drift sheet east erosion Estimates of pebbles exposed exposures farther ferretto Geol Gillett Grove glacial granite gravel gray gumbo hills ice sheet Ida county Illinoian Illinoian drift Iowa Geological Survey Iowa river Iowan area Iowan drift area Iowan ice Kansan area Kansan gumbotil leached loess limestone limestone pebbles Linn county Little Sioux valley lobe loess loesslike mantle mapped material Milwaukee & St Moines noncalcareous northeastern northwest northwestern Iowa O'Brien county one-half feet Osceola Osceola county outwash overlying oxidized places post-Kansan quarter of section Range region ridge Rock rusty Sac county sand and gravel shows slope soil southeast southwest quarter stream super-Kansan gumbo surface terrace thickness topography township unleached upland upper weathered Wisconsin Wisconsin drift writers yellow zone


