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.
Railroad Journal Box oiler Galvanized.1 gal. maybe more. 26"tall. No brand
ANTIQUE & RARE 1877 HEWITT LTD. #K-2 CAST IRON RAILROAD JOURNAL BOX LID L@@K!!
Original D&RGW Narrow Gauge Railroad Freight Car McCord Journal Box Lid
VINTAGE RAILROAD MANUAL SIGNAL BOX FOOT SWITCH CAST IRON CNR TEL