KNIFE RIVER

Construction materials, namely, asphalt, concrete, ready mix concrete, cement mixes, rocks and gravel, lignite and bituminous coal tars, and aggregate material comprised of the forgoing for construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions; concrete building materials, namely, blocks and pavers

Mining extraction; rock, sand, gravel and hard rock quarry mining; construction planning, managing, and supervision; construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions, resorts, golf courses; land reclamation

Mining exploration and mineral exploration services