So, all the cars in the consist:
"Central Pacific" Promontory Point. Obviously too new to be a Central Pacific car, this is an ex-Union Pacific open-end observation car from 1951, and it's based out of Chandler, Arizona. Just one quibble: "Promontory Point" is not where the Golden Spike was driven in 1869. It's either "Promontory, Utah" or "Promontary Summit". It brought up the markers on the westward voyage, and now was behind the power.
Pullman/Union Pacific 10-6 sleeper Pacific Island. Part of a 50-car order of sleepers with ten roomettes and six double bedrooms built by Pullman between 1949–1950, called the Pacific Series. Some of them were later sold to Milwaukee Road, and a bunch went on to have a career with Amtrak. It was at one point renamed to Mt. Vernon during it's private ownership but has since regained it's original name and is now owned by Adios Rail, based out of San Diego.
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Next up is Northern Sky Charters' Northern Dream dome car. It’s the former Union Pacific No. 9003, built in 1955 by American Car & Foundry, sister to the #9001 over at the Adirondack Railroad. It spent its years on the Union Pacific in the consist of the City of Los Angeles. Then in 1973, the original Auto-Train Corp. purchased the car, rebuilt it into a “Maxi-Dome” and used it on trains between Virginia and Florida. Eventually, in 1992, the car was purchased by David Hoffman and rebuilt at Northern Rail Car. The car was essentially a shell when he purchased it, so the interior is completely new and does not follow the original configuration. It was built with five bedrooms, one that is a crew dorm, and sleeps eight people comfortably.
Behind that was Northern Sky's Norther Dreams sleeper car. It was built by Pullman-Standard in 1955 for Union Pacific as a five double bedroom-buffet-Redwood Lounge car named North Platte. UP rebuilt it in 1956 making it an 11-bedroom car and renaming it Star Scene. It was sold and also worked the Virginia to Florida route on the Auto Train. Hoffman decided that he wanted to buy a sleeper since he couldn’t take the Northern Sky into New York’s Penn Station, so this sleeper was sold to Northern Sky Rail Charters in 1999 and renamed Northern Dreams. The car was upgraded and refurbished in 2003 and was made into a sleeper-lounge with six bedrooms (one for the crew), sleeping 12.
Follwing that was Pennsylvania Railroad Colonial Crafts, the only surviving Colonial-series car, part of a larger 95-car PRR order. The three-bedroom, one drawing room, buffet-lounge car was found on Blue Ribbon Fleet trains such as the Spirit of St. Louis, Manhattan Limited, and Northern Arrow. Retired in 1969 and sold into private ownership, it first spent time at the Arden Trolley Museum outside of Pittsburgh, then in 1986 was sold to a Los Angeles owner and operated in West Coast charter service. Sold again in 2017, it was moved to Philadelphia, where it remains today. The car, which remains almost all of its original Pullman features, transported Elvis Presley and his entourage in March 1960 when Elvis returned from military service in Germany, and was part of Richard Nixon’s campaign train in October of that year.
Behind that was Blue Ridge Club, a Chesapeake & Ohio sleeper-lounge built by Pullman-Standard in 1950 for the George Washington. It passed into Amtrak use, frequently being utilized on the obscure and somewhat short-lived Mountaineer, before being sold into private ownership. It eventually ended up on Pullman Rail Journeys, a company owned by Ed Ellis under his, you guessed it, Iowa Pacific Holdings umbrella, hence the Illinois Central paint. Its passed on to new owners since the IPH bankruptcy and is now configured with 3 double bedrooms, and 1 master suite with Kitchen, Dining and Observation Lounge.
And bring up the markers was New York Central Portland, a heavyweight open-end observation car built in 1928 for Harold Sterling Vanderbilt. It hung around as an officer car for the NYC, then was re-numbered as Penn Central #4 around 1968 and subsequently as Conrail #1 for their Office Car Specials. In 1978, the car was sold to a private railroad enthusiast who simply stored the car for 10 years. It was then purchased by a freight car rebuilding shop in Jacksonville, FL and was fully restored and upgraded mechanically in the early 1990s so as to qualify for 110 mph travel on Amtrak. It has undergone significant improvements annually ever since. The present owner obtained the car in 1992, and, with the aid of original Pullman builders photographs supplied with the car, remodeled it to "approximately 1930's appearance with Y2K mechanics and conveniences." The floor plan is as originally designed with the exception that the working tile fireplace in the dining room was removed during a major renovation following World War II. Since 1992, the car has traveled more than 300,000 miles, crossing the entire United States and Canada a number of times.