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Chicago area geologic maps (3.5922)
Date: circa 1935Creator: Illinois State Geological Survey
Type: Map
Description:"Topographic base surveyed in cooperation with the U.S. Geological Survey…Geologically sureyed in 1930-1932." Sheets have individual titles giving the name of the quadrangle shown. J. Harlen Bretz is shown as compiler throughout. Collection lacks sheet no. 9. CONTENTS:--no.1, Wheeling.--no.2, Highland Park.--no.3, Arlington Heights.--no.4, Park Ridge.--no.5, Evanston.--no.6, Elmhurst.--no.7, River Forest.--no. 8, Chicago Loop.--no. 10, Berwyn.--no. 11, Englewood.--no. 12, Jackson Park.--no.13, Sag Bridge.--no. 14, Palos Park.--no. 15, Blue Island.--no.16, Calumet Lake.--no. 17, Mokena,--no. 18, Tinley Park.--no. 19, Harvey.--no. 20, Calumet City.--no. 21, Brisbane.--no. 22, Frankfort.--no. 23, Steger.--no. 24, Dyer.
Extent: 22 sheets
United States base map (3.6517)
Date: 1933Creator: Geological Survey (U.S.)
Type: Map
Description:Inset maps: Alaska, Hawaii, Canal Zone, Puerto Rico & Virgin Islands. Map shows all U.S. counties.
Extent: 1 sheet