Complex sentence: The Minnesota Department of Natural Resources is the agency of the state of Minnesota charged with maintaining natural areas such as state parks, state forests, recreational trails, and recreation areas as well as managing minerals, wildlife, and forestry.
Split into simpler sentences: The Minnesota Department of Natural Resources is the agency of the state of Minnesota charged with conserving and managing the state's natural resources. The agency maintains areas such as state parks, state forests, recreational trails, and recreation areas as well as managing minerals, wildlife, and forestry.