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Start Over You searched for: Place Iowa Remove constraint Place: Iowa Year 1858 Remove constraint Year: 1858 Bounding Box -40.000931 39.999015 -39.999064 40.000987 Remove constraint Bounding Box: -40.000931 39.999015 -39.999064 40.000987

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1. Diagram of the Lead-Bearing Crevices near Dubuque, Iowa, 1858

Maps University Of Iowa Public content
1858. Iowa Geological Survey. 4 inches = 1 mile Material in the public domain. No restrictions on use. Office of the State Archaeologist. University of Iowa University of Iowa. ... L.H. Bradford & Co.