Columbia subject headings:
Geologists--Legal status, laws, etc.--United States.
Mining law--United States.
Water--Law and legislation--United States.
Harvard subject headings:
Geologists--Legal status, laws, etc.--United States.
Mining law--United States.
Water--Law and legislation--United States
Princeton subject headings:
Geologists--Legal status, laws, etc.--United States.
Mining law--United States.
Water--Law and legislation--United States.