Columbia subject headings:
Families--Montana--Helena--History--19th century.
Mineral industries--Social aspects--Montana--Helena--History--19th century.
Women--Montana--Helena--History--19th century.
Harvard subject headings:
Families--Montana--Helena--History--19th century.
Mineral industries--Social aspects--Montana--Helena--History--19th century.
Women--Montana--Helena--History--19th century.
Princeton subject headings:
Families--Montana--Helena--History--19th century.
Mineral industries--Social aspects--Montana--Helena--History--19th century.
Women--Montana--Helena--History--19th century.