Columbia subject headings:
Blackfeet Indian Reservation (Mont.)
Indians of North America--Montana--Land tenure.
Offenses against property--Montana.
Oil and gas leases--Montana.
Petroleum--Montana--Transportation.
Siksika Indians--Land tenure.
Harvard subject headings:
Princeton subject headings:
Indians of North America--Montana--Legal status, laws, etc.
Offenses against property--Montana.
Petroleum--Montana--Transportation.
Siksika Indians.