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Digital elevation model (DEM) of beach topography of Lake Superior at Minnesota Point, Duluth, MN, August 2019


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Wagner, D.M., Lund, J.W., and Sanks, K.M., 2020, Beach topography and near-shore bathymetry of Lake Superior at Minnesota Point, Duluth, MN, August 2019: U.S. Geological Survey data release,


This dataset is a digital elevation model (DEM) of the beach topography of Lake Superior at Minnesota Point, Duluth, Minnesota. The DEM has a 1-meter (m; 3.28084 foot [ft]) cell size and was created from a LAS (industry-standard binary format for storing large point clouds) dataset of terrestrial light detection and ranging (LiDAR) data with an average point spacing of 0.137 m (0.45 ft). LiDAR data were collected August 10, 2019 using a boat-mounted Optech ILRIS scanner and methodology similar to that described by Huizinga and Wagner (2019). References: Huizinga, R.J. and Wagner, D.M., 2019, Erosion monitoring along selected bank locations of the Coosa River in Alabama using terrestrial light detection and ranging (T-LiDAR) technology, [...]


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“digital elevation model of beach topography, supporting files, and FGDC metadata”
484.18 KB application/zip


Data were collected in cooperation with the U.S. Army Corps of Engineers (USACE), Detroit District, to define beach topography prior to placing dredge spoils to mitigate beach erosion. The DEM is intended to be used as a foundation for comparison with datasets from future surveys, and is provided in GeoTiff format to facilitate compatibility with numerous softwares.


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  • USGS Lower Mississippi-Gulf Water Science Center



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