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 foregoing for construction of roads, streets, infrastructure, commercial and residential buildings and subdivisions, resorts and golf courses; 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; waste petroleum collection for recycling

Mining and mineral exploration services