Burlington Northern SD45 Number 6438 and SDP40 Number 6399 with an unidentified diesel locomotive at Northtown, Minnesota on February 24, 1981. Photo by Al Christianson.

Burlington Northern SD45's Number 6438. Number 6563, Number 6415 and an unidentified SD45 with a manifest at Dayton's Bluff, Minnesota on February 26, 1980. Photo by Al Christianson.

Burlington Northern SD45's Number 6438, Number 6563, Number 6415 and Number 6475 at Dayton's Bluff, Minnesota on February 26, 1980. Photo by Al Christianson.

Burlington Northern SD45 Number 6440, SD40 Number 6324 and SD40-2 Number 7046 at Minneapolis, Minnesota on February 28, 1980. Photo by Jim Shepard.

Burlington Northern SD45 Number 6441, U25C Number 5632 and F45 Number 6627 at Saint Paul, Minnesota on May 6, 1979. Photo by Al Christianson.

Burlington Northern SD45 Number 6457 and SD40 Number 6301 at Fort Worth, Texas on March 20, 1980. Photo by Bill Phillips.

Burlington Northern SD45 Number 6466, U33C Number 5716, SD40 Number 6310 and an unidentified SD45 lead an autorack train at Dayton's Bluff, Minnesota on November 1, 1980. Photo by Al Christianson.

Burlington Northern Class SD45 Number 6491, built August 1970; SD40-2 Number 6366, built November 1976; passing Newport interlocking at Newport, Minnesota on April 6, 1981. Photo by Al Christianson.

Burlington Northern SD45 Number 6543, built November 1971; SD45 Number 6476, built July 1970; SD45 Number 6454, former Great Northern Number 424; SD40-2 Number 8065, built November 1979; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with an westbound piggyback freight on February 29, 1982. Photo by Al Christianson.

Burlington Northern Class SD45 Number 6547, built November 1971; SD45 Number 6557, built December 1971; SD40-2 Number 8147, built July 1980, and an SD40-2, number unknown; with a piggyback freight at Dilworth, Minnesota on March 14, 1981. Photo by Al Christianson.

Burlington Northern Class SD45 Number 6560, built December 1971; SD45 Number 6403, (former Northern Pacific Number 3603); an SD45, number unknown; and an SD40-2, number unknown; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with an eastbound freight on April 24, 1981. Photo by Al Christianson.

Burlington Northern Class F45 Number 6617, built August 1970; SD40-2 Number 7889, built May 1979; at Minneapolis, Minnesota on November 15, 1980. Photo by Al Christianson.

Burlington Northern Class F45 Number 6617, built August 1970; SD40-2 Number 7889, built May 1979; at Minneapolis, Minnesota on November 15, 1980. Photo by Al Christianson.

Burlington Northern Class F45 Number 6621, built August 1970; SD40-2 Number 6808, built March 1973; an SD45, number unknown; and an SD45, number unknown; passing Hoffman Avenue interlocking at Saint Paul, Minnesota with a westbound freight on February 17 1980. Photo by Al Christianson.

Burlington Northern Class F45 Number 6626, built April 1971; SD40 Number 6324, built November 1971; F45 Number 6625, built September 1970; SD45 Number 6571, built October 1971; at Minneapolis, Minnesota on August 10, 1981. Photo by Al Christianson.

Burlington Northern Class F45 Number 6630, built April 1971; SD40-2 Number 6833, built November 1973; SD40-2 Number 67*5; and an SD45, number unknown; at Northtown yard in Minneapolis, Minnesota on July 26, 1980. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6707, built December 1974; an SD45, number unknown; and SD40-2 Number 6776, built May 1977; at Northtown diesel shop in Minneapolis, Minnesota on June 5, 1980. (former Northern Pacific sand hopper in background. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6708, built February 1976; SD40-2 Number 6754, built December 1976; SD40-2 Number 6726, built February 1976; at Newport, Minnesota with eastbound loaded ore jennies, including including Northern Pacific hopper Number 78455 and Great Northern hopper Number 92*83, on May 30, 1980. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6708, built February 1976; SD40-2 Number 6754, built December 1976; and SD40-2 Number 6726, built February 1976; at Newport, Minnesota with eastbound loaded ore jennies, including Northern Pacific hopper Number 78455, Great Northern hopper Number 92*83, and Great Northern hopper Number 91867, on May 30, 1980. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6708, built February 1976; SD40-2 Number 6754, built December 1976; SD40-2 Number 6726, built February 1976; at Newport, Minnesota with eastbound loaded ore jennies on May 30, 1980. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6709, built February 1976; SD40-2 Number 6754, built December 1976; SD40-2 Number 6752, built March 1976; at Chemolite, Minnesota with eastbound loaded ore jennies on February 10, 1982. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6709, built February 1976; SD40-2 Number 6754, built December 1976; SD40-2 Number 6752, built March 1976; passing Hoffman Avenue interlocking in Saint Paul, Minnesota with eastbound loaded ore jennies on February 10, 1982. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6710, built February 1976; SD40-2 Number 6701, built December 1974; in Cottage Grove, Minnesota with a freight on February 9, 1982. Photo by Al Christianson.

Burlington Northern Class SD40-2 Number 6716, built February 1976; F9B Number 777, (former Northern Pacific Number 6705B); F9A Number 774, (former Northern Pacific Number 6702A); in Saint Cloud, Minnesota with a freight on February 17, 1981. Photo by Al Christianson.

Burlington Northern Type Type SD40-2 Number 7031, Type F45 Number 6608, Type Type SD40-2 Number 8065 and Type Type SD40-2 Number 8070 in front of a water tower with three employees in yellow hard hats walking nearby at Dayton's Bluff, Minnesota on April 14, 1981. Number 7031 was built by EMD February 1978 as Builder Number 776055-3. It became BNSF Number 1776. Number 6608 was built by EMD July, 1969 as Builder Number 35112 and became Great Northern Number 435. It It was retired June, 1984 and became UTAH Number 6608. Number 8065 was built by EMD in November, 1979 as Builder Number 786216-35. It It was retired by the Burlington Northern and became HLCX Number 8065. Number 8070 was built by EMD in December, 1979 as Builder Number 786216-40. It It was retired by the Burlington Northern and became HLCX Number 8070, then DGNO Number 3495. Photo by Al Christianson.

Burlington Northern Type Type SD40-2's Number 7107 and Number 7105 with two unidentified Type Type SD units pull grain hoppers past a Burlington Northern structure and a grain elevator at Breckenridge, Minnesota on February 20, 1982. Number 7107 was built by EMD in December, 1978 as Builder Number 786166-33. It was retired by the Burlington Northern and became CEFX Number 7107 then RJJX Number 7107. Number 7105 was built by EMD in November, 1978 as Builder Number 786166-31. It was retired by the Burlington Northern and became CEFX Number 7105, then NS Number 3494, AGR Number 3411, and MNBR Number 3411. Photo by Al Christianson.

Burlington Northern Type SD40-2 Number 7120, Type SDP40 Number 6397 and Type SD40-2 Number 6903 lead a manifest over a small bridge on March 12, 1981. Number 7120 was built by EMD in December, 1978 as Builder Number 786166-46. It was retired by the Burlington Northern and became CEFX Number 7120, then3180, then NS Number 3496. Number 6397 formerly 1976, formerly 9853 was built by EMD in May, 1966 as Builder Number 31595 and became Great Northern Number 323 . It was retired by the Burlington Northern and became GCFX Number 3093, then CITX Number 3093. Number 6903 was built by EMD April, 1973 as Builder Number 72682-4. It became BNSF Number 6914/Number 1703. Photo by Al Christianson.

Burlington Northern Type Type SD40-2 Number 7120, Type Type SDP40 Number 6397 and Type Type SD40-2 Number 6903 lead a manifest on March 12, 1981. Number 7120 was built by EMD in December, 1978 as Builder Number 786166-46. It was retired by the Burlington Northern and became CEFX Number 7120/3180, then NS Number 3496. Number 6397 formerly 1976, formerly 9853 was built by EMD in May, 1966 as GN Number 323 as Builder Number 31595. It was retired by the Burlington Northern and became GCFX Number 3093 then CITX Number 3093. Number 6903 was built by EMD April, 1973 as Builder Number 72682-4. It became BNSF Number 6914 then Number 1703. Number 7120 was built by EMD in December, 1978 as Builder Number 786166-46. It was retired by the Burlington Northern and became CEFX Number 7120, then3180, then NS Number 3496. Number 6397 formerly 1976, formerly 9853 was built by EMD in May, 1966 as Builder Number 31595 and became Great Northern Number 323 . It was retired by the Burlington Northern and became GCFX Number 3093, then CITX Number 3093. Number 6903 was built by EMD April, 1973 as Builder Number 72682-4. It became BNSF Number 6914/Number 1703. Photo by Al Christianson.

Burlington Northern Type SD40-2's Number 7124 and Number 7116, Type C30-7's Number 5096 and Number 5094 and MKT Type SD40-2 Number 603 with a unit coal train at Fort Worth, Texas on October 4, 1981. Number 7120 was built by EMD in December, 1978 as Builder Number 786166-46. It was retired by the Burlington Northern and became CEFX Number 7120, then3180, the NS Number 3496. Number 6397 formerly 1976, formerly 9853 was built by EMD in May, 1966 as Builder Number 31595 and became GN Number 323 . It was retired by the Burlington Northern and became GCFX Number 3093, then CITX Number 3093. Number 6903 was built by EMD April, 1973 as Builder Number 72682-4. It became BNSF Number 6914/Number 1703. Photographer unknown.

Burlington Northern F7A Number 714, former Spokane, Portland and Seattle Number 803; GP20 Number 2005, former Great Northern Number 2005; in Staples, Minnesota on April 30, 1979. Photo by Al Christianson.