Ancient shorelines of Southwestern Lake Michigan

Description:: Includes illustrations, text, graphs showing "Lake-level fluctuations over the past 4,700 years" and a timeline showing historical events since 1166 B.C. tied to specific beach ridges. "Poster 1.1.""The map below was created by tracing beach ridges from a series of aerial photographs of northern Lake and Porter Counties taken in 1938."

Imprint: [Bloomington, Ind.] : Indiana University, Indiana Geological Survey, 2000.

Dimensions: 76 x 87 cm; Scale: 1:59,000

Coordinates: W0873136 W0871307 N0414539 N0410943
Resource Link:: https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00193
Identifier:: 98bd763f-3506-433d-8837-f1a81b0afb45 and G4093 .L3C2 2000 .T486
Language:: eng
Creator:: Thompson, Todd A.(Todd Alan), 1959-cartographer.
Publisher:: Indiana. Geological Survey
Provider:: Indiana University
Resource Class:: Maps
Resource Type:: Thematic maps
Subject:: Lakes and Beach ridges
Temporal Coverage:: 2000
Date Issued:: 2000
Spatial Coverage:: Indiana--Porter County, Indiana--Lake County, Lake Michigan, and Indiana
Access Rights:: Public
Format:: JPEG

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