From Union Pacific Railroad Collection (MS-00397). The scales are noted in the drawing. The bottom corner says, "Union Pacific System L.A. & S.L.R.R. Standard Signal Maintainers & Pumpers House. Locations East Of Caliente. Ass't. Chief Engineers Office Los Angeles. Drawn By F.W.G. Traced By F.W.G. Checked By W.V.L-B. Date. Nov. 24. 1926. Scales As Noted. Revised. Drawing. No. 15656-B".
From Union Pacific Railroad Collection (MS-00397). The bottom corner says, "Heating Plans. Union Pacific System. L.A. & S.L.R.R. Co. Hotel & Passenger Station for Caliente, Nevada. John Parkinson & Donald B. Parkinson Architects. 420 Title Insurance Bldg., Los Angeles. Cal. Date 2-25-22. Job 162. Sheet 80."