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[quote]QUOTE: Originally posted by mudchicken Branding of the rail: 131= 131 Lbs. per yard 28 = Suffix Design Variation No. 28 (AREA 3rd variant) RE = AREA (now AREMA) profile & Standard Section.. OH = Open Hearth (Surprised to see that in a main line at this time, should be a sidetrack....subject to mill defects, occlusions, etc....usually CC, VT, BC and HH , HiSi...CC = Controlled Cooled came into its own after 1938 and became main line rail of choice) Carnegie = Carnegie Steel/ Mill Brand USA = US 1940 = Year 1940 1 = january Now go read the stamped numbers on the other side of the rail to find that rail's pedigree(Heat number, rail letter, ingot/strand/bloom...method of hydrogen elimination [/quote] Wow dude! YOU are amazing....The main line in question is the former Wabash, checked both side by side mains for several "sections" just to see if all matched,.. they did. The flat plates they drive the spikes through were marked "R 1945" and these sections matched consistently across a bridge dated "1955".... if memory serves, this main was at one time jointed rail, but somewhere over the interim they came along and welded and ground all the joints. I'll have to go look tomorrow for the "pedigree" [:D] Whats the driving logic behind the "suffix design variant"? topography, geology, economics?
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