CPKC CPKC Sheldon Subdivision is a line in North Central Iowa owned by the CPKC usually seeing anywhere from 2-3 trains daily. Starting with the locals K41 and K40 that traverse the mainline during the weekdays from Mason City to Spencer or vice versa the K41 is a local that hauls mainly agricultural products like ethanol anhydrous ammonia and grain soybeans and oil. This local also hauls scrap metal to various industries and sometimes lumber. The line stretches over 250 miles from Mason City Iowa to Sheldon Iowa. West of Spencer the local K42 works west usually with the same stuff as the K41 brought in to Spencer. The Sheldon Sub has many different industries such as Cartersville Elevator and Alter Scrap Metal in Mason City and CF Industries in Garner, Landus Cooperative in Britt, Gold Eagle Cooperative in Hutchins and Wesley, AGP and NEW Coop in Algona , Poet in Emmetsburg, Shine Bros and Shonemans lumber in Spencer, NEW Coop in Everly, Valero Renewables in Hartley PRO Cooperative in Sanborn And A industry in Sheldon servicing hoppers and gondolas. This line also features trackage rights to both the Iowa Northern Railway and UP. the IANR runs on the Sheldon Sub from Nora Springs to Garner and gets onto their line to Forest City and Belmond. The UP has trackage rights from Emmetsburg to Hartley where they service ethanol and grain trains to Hartley Valero. This line connects with the CPKC Owatonna Sub, Mason City Sub, Union Pacifics Spine Line Aka Albert Lea Sub, the Iowa Traction Railway, Iowa Northern Railway Garner Sub, Union Pacific Jewell Sub at Algona, Union Pacific Estherville Sub at Emmetsburg and Union Pacific Worthington Sub at Sheldon. This line was previously owned by the Milwaukee Road, Soo Line, IMRL, Iowa Chicago and Eastern Railway, and the Dakota Minnesota and Eastern Railway. This lines history dates back to the mid 1800s when the line was built. The line was built to service trains in Iowa with many connections to other lines obviously more then than now. This line also has as needed Ethanol/Grain from the CPKC with the symbols K45 and K46 local trains from Mason City to Hartley and back. They will often start as CPKC 500 series symbols coming from various origins in the USA. This line has many good spots for pictures of trains. You can find many great photography locations on this line. Too bad not too many people document this line likely due to the lack of train traffic.