Elevation contours of beach topography and nearshore bathymetry of Lake Superior at Minnesota Point, Duluth, MN, from hydrographic survey August 2019

The elevation contours in this dataset have a 2-foot (ft) interval and were derived from a digital elevation model (DEM) of beach topography and nearshore bathymetry of Lake Superior at Minnesota Point, Duluth, Minnesota. The DEM has a 10-meter (32.8084 ft) cell size and was created from LiDAR data representing beach topography and sonar data representing bathymetry to a distance of approximately 1.3 kilometers (0.8 miles) offshore. 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). Multi-beam sonar data were collected August 7-11, 2019 using an R2Sonic 2024 sonar unit and methodology similar to that described by Richards and Huizinga (2018). Single-beam sonar data were collected August 27-28, 2019 using a CEESCOPE echosounder and methodology similar to that described by Wilson and Richards (2006).

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://ddi.doi.gov/usgs-data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier http://datainventory.doi.gov/id/dataset/usgs-5e389bcce4b0a79317df576f
metadata_type geospatial
modified 2020-08-21T00:00:00Z
old-spatial -92.05602, 46.70961, -91.99900, 46.74368
publisher U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash ad4d1488af07cf2262fb5f6aa2c9efe783b282e2e423901c7a99949585c13704
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-92.05602, 46.70961], [-92.05602, 46.74368], [ -91.99900, 46.74368], [ -91.99900, 46.70961], [-92.05602, 46.70961]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • bathymetry
  • bathymetry-and-elevation
  • dem
  • digital-elevation-models
  • duluth
  • elevation
  • great-lakes
  • hydroacoustic
  • inlandwaters
  • lake-superior
  • las
  • lidar
  • limnology
  • sonar
  • southwestern-lake-superior
  • superior
  • usgs-5e389bcce4b0a79317df576f
  • xyz
isopen False
license_id notspecified
license_title License not specified
maintainer Daniel M Wagner
maintainer_email dwagner@usgs.gov
metadata_created 2025-09-23T16:16:35.459754
metadata_modified 2025-09-23T16:16:35.459760
notes The elevation contours in this dataset have a 2-foot (ft) interval and were derived from a digital elevation model (DEM) of beach topography and nearshore bathymetry of Lake Superior at Minnesota Point, Duluth, Minnesota. The DEM has a 10-meter (32.8084 ft) cell size and was created from LiDAR data representing beach topography and sonar data representing bathymetry to a distance of approximately 1.3 kilometers (0.8 miles) offshore. 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). Multi-beam sonar data were collected August 7-11, 2019 using an R2Sonic 2024 sonar unit and methodology similar to that described by Richards and Huizinga (2018). Single-beam sonar data were collected August 27-28, 2019 using a CEESCOPE echosounder and methodology similar to that described by Wilson and Richards (2006).
num_resources 2
num_tags 26
title Elevation contours of beach topography and nearshore bathymetry of Lake Superior at Minnesota Point, Duluth, MN, from hydrographic survey August 2019