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Visit NRRI

Tours of NRRI Duluth and NRRI Coleraine Facilities

*Because of the ongoing COVID-19 pandemic restrictions, tours of the facilities are not possible until further notice.

  • Tours of NRRI's Duluth facility can be requested and scheduled at any time. A general tour is appropriate for college-aged students and older and lasts approximately 45 minutes. Technical tours that include in-depth discussion on a particular topic with a researcher can also be arranged.
  • Tours of NRRI Coleraine Labs, as a working industrial research site, requires special coordination. 

To schedule a tour, please contact Marketing & Communications Manager:  June Breneman,, (218) 788-2600.

NRRI Duluth: Labs and Administration

5013 Miller Trunk Highway, Duluth, MN 55811 / Phone: (218) 788-2694 / Toll-Free: (800) 234-0054

Directions to NRRI Duluth: Turn on Cirrus Drive, by Northern Tool, and approach the NRRI building from behind. Once you arrive at the building you can drive around to the front entrance, which faces the highway.

Minerals & Energy Laboratory

PO Box 188
One Gayley Ave
Coleraine, MN 55722
Phone: 218-667-4201