The ALGOMA CENTRAL had National Steel Car build 400 similar gondolas but with bulkheads in 1964, 1965, 1966, 1967.
1001-1100
1101-1200
1201-1300
1301-1400
In 2006 they were renumbered by adding a 1 to the front of the original number 11001-11400
http://rr-fallenflags.org/misc-a/ac1191ads.jpg
http://rr-fallenflags.org/misc-a/ac1334awb.jpg
http://rr-fallenflags.org/misc-a/ac1334awb.jpg
http://rr-fallenflags.org/misc-a/ac01100m25.jpg
http://rr-fallenflags.org/misc-a/ac1191ads.jpg
http://rr-fallenflags.org/misc-a/ac1390jpa.jpg
http://rr-fallenflags.org/misc-a/ac11182gga.jpg
Some of them were taken out of service in 2017.
A few of these ALGOMA CENTRAL gondolas are still in service on the Canadian National Railway system.
Andrew