This does not have any markings on it so it is probably generic but I would not be surprised if it has origins of the Colorado or Utah area.
Railroad Journal Box oiler. Shows wear from use.
VINTAGE RAILROAD MANUAL SIGNAL BOX FOOT SWITCH CAST IRON CNR TEL
Vintage Railroad Handcar Cuff Link Tie PIn Hook-Fast Box Fire Engine Pump Wagons
Lehigh Valley Railroad Vintage Empty Wood Box for Weston D.C. Voltmeter
CB&QRR CHICAGO BURLINGTON & QUINCY RAILROAD Journal Bearing Collectible
Scale Coupler January 1987 HO Scale Model Railroad Journal First Issue Atlas S-2