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Open-File Report 03-120

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### A pilot collaborative effort with the US Army Corps of Engineers SHOALS (Scanning Hydrographic Operational Airborne Lidar Survey) program.

# Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan

#### By Peter Barnes, Guy Fleisher, James V. Gardner, and Kristen Lee

| Summary
We apply state of the art laser technology and derivative imagery to map the detailed morphology and of principal lake trout spawning sites on reefs in Northern Lake Michigan and to provide a geologic interpretation. We sought to identify the presence of ideal spawning substrate: shallow, "clean" gravel/cobble substrate, adjacent to deeper water. This study is a pilot collaborative effort with the US Army Corps of Engineers SHOALS (Scanning Hydrographic Operational Airborne Lidar Survey) program. The high-definition maps are integrated with known and developing data on fisheries, as well as limited substrate sedimentologic information and underlying Paleozoic carbonate rocks. | First posted July 3, 2003
-  **Report** HTML 

**For additional information, contact:**Contact Information, Pacific Coastal and Marine Science CenterU.S. Geological SurveyPacific Science Center400 Natural Bridges DriveSanta Cruz, CA 95060http://walrus.wr.usgs.gov/

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### Suggested citation:

Barnes, Peter W., Fleisher, Guy, Gardner, J. V., Lee, Kristen, 2003, Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan: U. S. Geological Survey Open-File Report 03-120, *http://pubs.usgs.gov/of/2003/0120/*.

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U.S. Department of the Interior |            U.S. Geological Survey           	URL: *http://pubsdata.usgs.gov/pubs/of/2003/0120/index.html*            Page Contact Information: GS Pubs Web Contact           	Page Last Modified: Thursday, 03-Apr-2014 12:40:38 EDT