Date	Action	Description
	Built For:	Milwaukee & Mississippi Rail Road Co. #40 "Spring Green"
01/1861	Corp. Sale:	Milwaukee & Prarie du Chien Railway Co. #40 "Prarie du Chien"
12/1867	Corp. Sale:	Milwaukee & St. Paul Railway Co. #111
02/1874	Name Change:	Chicago, Milwaukee & St. Paul Railway Co. #111
1889	Sold:	Arizona & South Eastern Railroad Co. #1 at Bisbee, AZ
06/1902	Corp. Sale:	El Paso & Southwestern Railroad Co. #1
11/1924	Leased:	Southern Pacific Railroad Co.
09/1955	Merger:	Southern Pacific Co.
06/1960	Donated:	University of Texas