Drill Core Library and
Mineral Exploration Document Collections
View an interactive map displaying the geographic distribution of core and other samples stored at the drill core library. Additionally search and view DNR's mineral exploration collections for both the Minarchive Collection and Lehmann Family Fund Collection.
Web Map »
School Trust Aggregate Finder
Launch the web map to view high aggregate resource potential on School Trust Lands
Aggregate Finder Web Map »
School Trust Lands
Launch the web map to locate 2.5 million surface acres and 1 million additional acres of mineral rights included in the School Trust Land portfolio.
Launch Web Map »
Trout Stream Setback
The DNR is directed to develop and administer a setback permit for silica sand mining within one mile of a designated trout stream.
Trout Stream Setback »