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1977 DEM for Sleeping Bear Point at Sleeping Bear Dunes National Lakeshore

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:17 PM | Dataset Last Updated: August 19, 2022 at 12:00 AM
This raster dataset describes elevation values, in meters (m), in Sleeping Bear Dunes National Lakeshore in 1977. The 1977 DEM was produced from historical aerial imagery acquired on April 30, 1977 at a flying height of 8,500 ft (1:17,000). Structure from motion (SfM) analysis of this imagery produced a 0.89 m DEM, which was edited and resampled to 1 m.

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