1. View Interactively:
A compilation of completed Aggregate Resource Mapping GIS data is now available in a new interactive web map application.
2. View a PDF Version:
Plate A: Aggregate Resources, Sand and Gravel Potential, Portions of St. Louis and Lake Counties, Minnesota.
(32.5 x 36 inches, full size. 2.65 MB)
Please note: Best results in viewing these plates will be obtained by saving the files to a location of your choice and opening with Adobe Acrobat. Some plate information may not display as a result of opening with Acrobat directly from a web browser.
3. Download GIS data:
A compressed set of files, report380data.zip. This compressed set of files is 5 MB. It contains ArcView shapefiles, ArcGIS file geodatabase, and related dbf files of geological and aggregate features created by the DNR, MNDOT, and MGS. Also included are metadata files in pdf format for each data file.
4. Download accompanying report:
Report 380: Assessment of Sand and Gravel and Clay Deposits in parts of Northern St. Louis and Lake Counties
(8.5 X 11 inches. 3.5 mb)
The report contains an expanded legend of mapping units, mapping methodology, explanation of sand and gravel potential and silt and clay potential, and results from quality tests.