Quadrangle Maps

Lake Calumet Surficial Geology 1939 1939 Lake Calumet Surficial Map
Lake Zurich Surficial Geology 2006 Lake Zurich Surficial Map
Lawrenceville Surficial Geology 2019 Surficial geology of Lawrenceville Quadrangle, map thumbnail, sheet 1
Lebanon Surficial Geology 2006 Lebanon Surficial Map
Leland Surficial Geology 2005 Leland EDMAP
Leonore Surficial Geology 2004 Leonore EDMAP
Libertyville Surficial Geology 2005 Libertyville Surficial map
Lick Creek Geology 1993 Lick Creek Geology Map
Little Cypress Surficial Geology 1996
Long Creek Surficial Geology 2009 Long Creek EDMAP

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*excludes EDMAP series and student maps