Great Northern Railway Authorization for Expenditure (AFE), Watson, Idaho, undated. Section House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series Original.

AFE 39178, Watson, Idaho, 1928. Section House, Equipo Derrick X-1760 with#2 Air Pump and Air Brakes. Interstate Commerce Commission Account Number 57, Work equipment. Series II. Other Subject Categories: Work Equipment

AFE 2048, Watson, Idaho, 1899. Interstate Commerce Commission Account Number 14, Crossings. Series I. Lines West. Other Subject Categories: Crossings, Public