Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507, Reference Number 10106, Sheet 005.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507, Reference Number 10106, Sheet 004.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507-3, Reference Number 10105, Sheet 003.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507-5, Reference Number 10105, Sheet 005.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507, Reference Number 10106, Sheet 001.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507-2, Reference Number 10105, Sheet 002.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507-5A, Reference Number 10105, Sheet 5-A.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507-4, Reference Number 10105, Sheet 004.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, prepared in 1940. Burlington Northern File Number 9507-1, Reference Number 10105, Sheet 001.

Great Northern Engineering Drawing: Connelly Machinery Company Service Building at Great Falls, Montana, undated. Burlington Northern File Number 9507, Reference Number 101.