• 1967

    The Butler Taconite mine and processing plant officially finished construction and began operations.

  • 1985

    The Hanna Mining Company announced the permanent shutdown of the Butler Taconite plant and dismantled the mine, citing the influence of foreign steel flooding domestic markets.

  • 2003

    Minnesota Steel Industries LLC (MSI) was formed to build a pellet plant, DRI plant, and steel mill at the Butler Taconite site.

  • 2007

    The State of Minnesota approved Minnesota Steel Industries’ Permit to Mine application, granting the company permission to conduct a taconite mining operation and build a processing facility in Itasca County. Permit to Mine was granted. Air emission permit was reissued and extended.

  • 2008

    Essar Steel purchased Minnesota Steel Industries in 2008 and changed their name to Essar Steel Minnesota LLC.

  • 2010

    The overburden stripping was completed within the initial defined mining area, exposing taconite in preparation for mining.

  • 2011

    The company conducted an extensive diamond-drilling program to evaluate the mineral resources within the project boundary.

  • 2012

    Met-Chem Canada Inc. completed a detailed evaluation report to NI 43-101 standards, validating and qualifying the project’s mineral resources to be 1.7 billion long tons of mineable taconite. The erection of the first piece of mining equipment, an Atlas Copco PV351 production drill, was completed and went onto the project area. Permit to Mine was amended to 7.0 MTPA. Air emission permit was extended.

  • 2015

    The first taconite production blasts were drilled and detonated at the mining site, making them the first taconite blasts since 1985.

  • 2017

    The company changed its name to Mesabi Metallics Company LLC. Tailings bridge construction concluded.

  • 2020

    DRA/MetChem Inc. completed an updated resource reserve report to NI 43-101 standards. The report validated that Mesabi Metallics has 1.7 billion metric tonnes of mineable resources and 1.3 billion metric tons of reserves, a sufficient resource to feed the projected pellet plant for several decades. This report was based on over 240,000 feet of drilling information across 749 holes.

  • 2020

    Mesabi Metallics appoints Jefferies to raise the debt financing for the project

  • 2021

    Braun Intertech completed a comprehensive study on Mesabi Metallics’s tailings basin design and concluded.

  • 2021

    Mesabi Metallics appoints BMO and Jefferies jointly to optimize the capital structure of the project.