Ken Adams

All Southern Pacific owned tank cars such as the 12,500 gal. O-50-13 class built in 1941, were classified as "O" type freight cars. The O stood for oil. In 1950 the SP had the 10th largest tank car fleet of 2068 tank cars but few found their way into interchange off the California SP and Texas and New Orleans lines. They were the largest Railroad owned fleet. They were dwarfed by the UTLX, GATX, SHPX fleets. In the first half of the 20th Century California, Oklahoma, Texas and Louisiana were the boom states for new oil production.  The next largest railroad owned fleet was the Ferrocarriles Nacionales de Mexico many of whose cars came from the SP and T&NO when the Mexican government purchased the SP lines in Mexico.
Ken Adams
Still in splendid Shelter In Place solitude, about half way up Walnut Creek

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