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NRRI Technical Reports  [398]

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Please note. This collection will contain all Technical Reports produced by NRRI. For Technical Reports in specific subjects, view in relevant sub-communities. Minerals, Metallurgy, and Mining or Water and the Environment.

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Ceramic Tile And Lightweight Aggregate Product Development Using Minnesota Clays

Hauck, S. A (University of Minnesota Duluth, 1993-12)
The kaolinite-rich clays found in the St. Cloud area are currently used on a small-scale basis for ceramics by a local university. Testing of a specific clay bulk sample (MAQ) from Meridian Aggregates Company's granite ...

MnDOT Highway 169 2015 Drilling Project

Heine, John; Patelke, Marsha M; Buschette, Michael; Leu, Adam; Maly, Craig; Gordee, Sarah; Chlebecek, Sara; Lee, Aubrey; Post, Sara (University of Minnesota Duluth, 2017-06)
The Natural Resources Research Institute (NRRI) Economic Geology Group was contracted by the Minnesota Department of Transportation (MnDOT) [Project Number 0005269] to provide onsite drilling supervision, core logging ...

The MnDRIVE Transdisciplinary Project Implementation of Smart Bioremediation Technology to Reduce Sulfate Concentrations in NE Minnesota Watersheds

Hudak, George; Estepp, Lisa; Schoff, Patrick (University of Minnesota Duluth, 2017-07-14)
This report opens with an Executive Summary, which briefly describes the project’s major accomplishments to date. The body of the report is constructed in sections focused on five related project efforts: 1) Bioreactor ...

Considerations in the Management of Young Red Pine Stands: Implications to Growth, Yield and Economics

Berguson, Bill; Buchman, Dan (2017-06-27)
There are a variety of ways to manage red pine (Pinus resinosa Ait.) ranging from intensive management of fully-stocked stands for the primary purpose of timber production to less intensive approaches aimed at increasing ...

Pre-Treatment Assessment of Habitat and Biota in the Knife River Mainstem, MN

Dumke, Josh; Kelly, Holly W (2017-03)
Pre-restoration surveys are important for demonstrating the effectiveness of restoration activities. Good documentation of stream condition, and the organisms that live there, allow post-restoration comparisons, assessment ...

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