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 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 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 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 Class SD45 Number 6408, (former Northern Pacific Number 3608); SD40-2 Number 6763, built November 1976; an SD40-2, number unknown; and an SD40-2, number unknown; passing Hoffman Avenue interlocking at Dayton's Bluff, Minnesota with an eastbound freight on December 4, 1980. Photo by Al Christianson.

Burlington Northern GP40 Number 3028, former Burlington Number 628; GP40 Number 3002, former Burlington Number 172; SD7 Number 6051, former Burlington Number 403; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota with eastbound freight on December 1, 1980. Photo by Al Christianson.

Burlington Northern GP10 Number 1409, former Great Northern Number 609; GP10 Number 1410, former Great Northern Number 639; light engine move through Hoffman Avenue interlocking in Daytons Bluff, Minnesota on April 14, 1981. Maintenance base ƒ??MPLS Junctionƒ? for Number 1409. Photo by Al Christianson.

Burlington Northern Number 1409, former Great Northern Number 609; GP10 Number 1410, former Great Northern Number 639; coupled to caboose Number 10214 and autorack at Daytons Bluff, Minnesota on April 14, 1981. Photo by Al Christianson.

Burlington Northern GP10 Number 1409 and GP10 Number 1410 at Dayton's Bluff, Minnesota on April 14, 1981. Photo by Al Christianson.

Burlington Northern Class SD24 Number 6252, (former Burlington Number 512); a leased Precision SD18m Number 1809; and a leased Precision SD18m Number 184* at Dayton's Bluff, Minnesota with Conrail covered gondola in 1979. Photo by Al Christianson.