William C. AldenThis digital map represents Plate XIV of William C. Alden's 1904 paper: 'The Delevan Lobe of the Lake Michigan Glacier of the Wisconsin stage of glaciation and associated phenomena'. Published by the United States Geological Survey as Professional Paper No. 34: https://doi.org/10.3133/pp34TIFFhttps://geodata.wisc.edu/catalog/22b83c09-068c-409e-bef3-550e779f68a0engU.S. Geological SurveyUW-Madison Robinson Map LibraryPublicGeoscientific InformationMap of the Pleistocene deposits of a portion of southeastern WisconsinDatasetsWisconsin1903University of Wisconsin-Madison