| Burlington Northern Railroad rotary snowplow 972559 at Alliance, Nebraska on February 9, 1984, Kodachrome by Jim Altman, Chuck Zeiler collection. Number 972559 was built by Alco ( Cooke ) in September 1915 ( c/n 54787 ) as C&NW X-4, eventually acquired by the NP and numbered 46 ( later, 47 ), converted from steam to electric power in 1966 with the electric power supplied by a trailing locomotive. At last report, RSPU number 972572 ( former NP F9B 6701B ) was the power supply. |