This article is intended to encourage the improvement of land and water adversely affected by mining, to aid in the protection of wildlife, to decrease soil erosion, to aid in the prevention and abatement of the pollution of rivers and streams, to protect and improve the environmental values of the citizens of this state and to eliminate or abate hazards to health and safety. It is the intent of the Legislature to encourage voluntary reclamation of lands adversely affected by mining. The purpose of this article is to improve water quality and to control and eliminate water pollution resulting from mining extraction or exploration by limiting the liability which could arise as a result of the voluntary reclamation of abandoned lands or the reduction and abatement of water pollution. This article is not intended to limit the liability of a person who by law is or may become responsible to reclaim the land or address the water pollution or anyone who by contract, order or otherwise is required to or agrees to perform the reclamation or abate the water pollution.