Burlington Northern Type U25C Number 5627, former Northern Pacific Number 2527; U25C Number 5637, former Burlington Number 557; U28C Number 5673, former Northern Pacific Number 2807; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with two Great Northern ballast hoppers, including Number 78264, on April 15, 1980. Photo by Al Christianson.

Burlington Northern Type U25C Number 5627, former Northern Pacific Number 2527; U25C Number 5637, former Burlington Number 557; U28C Number 5673, former Northern Pacific Number 2807; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with eastbound freight on April 15, 1980. Photo by Al Christianson.

Burlington Northern Type U33C Number 5764, former S J Groves Number 507; U33C Number 5750, built August 1971; SD40-2 Number 6910, former Number 6374, built April 1973; U33C Number 5712, former Great Northern Number 2542; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with Corn Products (CCLX) airslide covered hopper Number 50062 on March 11, 1980. Photo by Al Christianson.

Burlington Northern Type U33C Number 5764, former S J Groves Number 507; U33C Number 5750, built August 1971; SD40-2 Number 6910, former Number 6374, built April 1973; U33C Number 5712, former Great Northern Number 2542; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with westbound freight on March 11, 1980. Photo by Al Christianson.

Burlington Northern Type U33C Number 5764, former S J Groves Number 507; U33C Number 5750, built August 1971; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota on March 11, 1980. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6742, built March 1976; GP40-2 Number 3045, former Frisco Number 755; at Saint Paul, Minnesota on November 17, 1980. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6747, built March 1976; SD40-2 Number 7900, built June 1979 as Colorado & Southern Number 7900, SD40-2 number unknown; at Saint Paul, Minnesota in the snow on January 31, 1980. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6759, built November 1976; SD40-2 Number 6770, built December 1976; three SD40-2 numbers unknown; at Dayton's Bluff, Minnesota with Burlington Northern coal hoppers on October 12, 1980. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6771, built December 1976; SD40-2 Number 6703, built December 1974; two SD40-2, numbers unknown; at Saint Paul, Minnesota with bathtub coal gondolas on April 7, 1981. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6792, built November 1977; SD40-2 Number 6726, built February 1976; SD40-2 Number 6717, built February 1976; two SD40-2, numbers unknown; at Saint Paul, Minnesota with Burlington Northern coal hoppers on April 6, 1981. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6799, built November 1977; SD40-2 Number 6704, built December 1974; SD40-2 Number 6711, built February 1976; SD40-2, number unknown; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with blue-ended bathtub coal gondolas on June 4, 1981. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6799, built November 1977; SD40-2 Number 6704, built December 1974; SD40-2 Number 6711, built February 1976; SD40-2, number unknown; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with bathtub coal gondolas on June 4, 1981. Photo by Al Christianson.

Burlington Northern SD40-2 Number 6902, built March 1973; SD40-2 Number 8026, built March 1978; SD40-2 Number 8041, built September 1979; GP10 Number 1406, former Great Northern Number 606; GP10 Number 1409, former Great Northern Number 609; meet at Dayton's Bluff, Minnesota with loaded ore jennies on June 18, 1981. Photo by Al Christianson.

Burlington Northern Engineering Drawing: Plan Reference Files, Midway Auto Unloading Foundation, Saint Paul, Minnesota, prepared in 1982. Burlington Northern File Number 1625, Reference Number 10110, Sheet 002.

Burlington Northern Engineering Drawing: Plan Reference Files, Midway Auto Unloading Ramp, Saint Paul, Minnesota prepared in 1982. Burlington Northern File Number 1625, Reference Number 10110, Sheet 001.

Burlington Northern computer center at Saint Paul, Minnesota, on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: computer center.

Burlington Northern computer center at Saint Paul, Minnesota, on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: computer center.

Burlington Northern GP10s headed by 1105 with caboose and covered hoppers in Saint Paul, Minnesota on October 12, 1980. Photo by Al Christianson.

Chicago & North Western Railway steam locomotive 364 at St Paul, Minnesota on May 4, 1948. Photo by Ron Nixon, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive

Chicago Burlington & Quincy passenger train number 26, the eastbound Vista-Dome North Coast Limited, departs St. Paul, Minnesota, on August 21, 1969, led by two E-unit passenger diesel locomotives. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, railroad yard

Chicago Great Western Railway diesel locomotive 111A at St Paul, Minnesota on August 21, 1969. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago Northwestern diesel locomotive 5005 leads a streamliner passenger train number 400 at St Paul, Minnesota on September 6, 1946. Photo by Ron Nixon, J.M. Fredrickson Collection. Other Subject Classes: diesel locomotive, passenger train

Chicago, Burlington and Quincy Railroad  passenger car 9912-A and the "Morning Zephyr" at St Paul, Minnesota, circa 1960. Photo by J.M. Fredrickson. Other Subject Classes: passenger car

Chicago, Burlington and Quincy Railroad  passenger train Empire Builder/Zephyr at St Paul, Minnesota, on August 21, 1969. Photo by J.M. Fredrickson. Other Subject Classes: passenger train

Drawing of Northern Pacific Railroad car at St. Paul, Minnesota, circa 1890. Copy of drawing of side of FJ Hayne photographic studio car. Photo from J.M. Fredrickson Collection. Other Subject Classes: passenger car, photo studio car.