Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
Ancient shorelines of southwestern Lake Michigan
- Creator:
- Thompson, Todd A.(Todd Alan), 1959-cartographer.
- Description:
Includes ill., 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 2.1.; The map below was created by tracing beach ridges from a series of aerial photographs of northern Lake and Porter Counties taken in 1938. Scale approximately 1:59,000.
- Publisher:
- Indiana University, Indiana Geological Survey
- Collection:
- Indiana Historic Maps
- Places:
- Porter County, Indiana, United States, Lake County, Indiana, United States, Lake Michigan, United States, and Indiana, United States
- Subject:
- Thematic maps
- Type:
- Image
- Year:
- 2000
- Contributed by:
- Indiana
- Visit Source
- http://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00193