File:Underground water resources of Iowa (1912) (14583404228).jpg

Identifier: undergroundwater00nort (find matches)
Title: Underground water resources of Iowa
Year: 1912 (1910s)
Authors: Norton, William Harmon, b. 1856 Hendrixson, Walter Scott, 1859- (from old catalog) joint author Simpson, Howard E. (Howard Edwin), 1874-1938, joint author Meinzer, Oscar Edward, 1876- (from old catalog) joint author Iowa. Geological survey. (from old catalog)
Subjects: Water-supply
Publisher: Washington, Govt. print. off.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ts considerable diversity in itsquality. In Waterloo Township, in the W. ^ sec. 22, at the old Hummelplace, 60 feet of quicksand was passed through below 100 feet of clay.Water was obtained, but the supply did not prove permanent. In Orange Township, at the county poor farm (NE. ^ sec. 3), wherethe surface elevation is about 100 feet above the river bottom, thewell is 175 feet deep, 110 feet being in clay and 65 feet in limestone,where the second vein yields water plentifully. A well near by is139 feet deep, 100 feet of which is in limestone. One mile west of thepoor farm, on, N. Millers place, at about the same surface level, thewell is 115 feet deep, 10 feet being in rock. All these wells yieldunfaihng supphes. 29 miles -* ^lOi Iowa Falls s-tocene v^:\<^ ,66^ .XNO°^ ^& ,NjOn\ SAufw WATER-SUPPLY PAPER 293 PLATE VI 47 miles *■ ^\ Dubuque 9V \.^ tti^ e^ .0© \o ^0 rt» ^^o^-^ idstone Chien group Shakope iNfew Richm( Oneota Jorc O^®^ ,^^oV c.^N^ .6^ ,^o<^^ ) LE MARS , IOWA
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GEOLOGIC SECTION BElWEEN DUBUQUE AND LE MARS , IOWABy W. H. No BLACKHAWK COUNTY. • 259 CITY AND VILLAGE SUPPLIES. Cedar Falls.—The water supply of Cedar Falls (population, 5,012)is now taken from wells, but was, until recently, obtained fromsprings in fissured Cedar Valley limestone in Dry Run, a mile fromthe post office. A sudden epidemic of typhoid fever occurred in the city in the fallof 1911, during wliich more than 100 persons were afflicted and nearly20 died. It was the opinion of three independent investigators thatthe city water supply had become infected and was the cause of theepidemic. The limestone from wliich the water issues is exposed inthe beds of Cedar River and of Dry Run and is covered throughouta greater part of the city by a mantle of coarse gravel only 5 to 15feet thick. Many cesspools and wells enter the limestone and thusafford opportunity for contammation, as the rock is broken and fullof crevices and water channels that allow free circulation of waterwith

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