Ballot Measure 4 may or may not affect mining in Alaska, depending on whom you believe. As fine an overview and assessment of current Alaskan regulations affecting mining are to be found at the Alaska Department of Natural Resources website. Here is a copy of their listing and links to relevant statutes:

A description of the permitting process and the major state and federal permits and approvals required for large mines can be found at:

The state’s water quality standards are available at:

A summary of the state water quality standards is available at:

The state’s process for updating Water Quality Standards is available at:

The Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances is available at:

A good and easy tot follow description of the mine permitting process is at this link.