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RHA is homogeneous because its structure and composition are uniform throughout its thickness. The opposite of homogeneous steel plate is cemented or face-hardened steel plate, where the face of the steel is composed differently from the substrate. The face of the steel, which starts as an RHA plate, is hardened by a heat-treatment process.
The Denver and Rio Grande Western K-28 is a class of ten 3 ft (914 mm) gauge narrow gauge 2-8-2 "Mikado" type steam locomotives built in 1923 by the Schenectady Locomotive Works of the American Locomotive Company (ALCO) for the Denver & Rio Grande Railroad. They were the first new narrow gauge locomotives ordered by the railroad since 1903. [1]
Denver & Rio Grande Western R.R. Class K-28. Originally, D&RGW #472. Purchased by the U.S. Army in 1942 for use on the WP&YR. Wrecked and shipped to Auburn, Washington in 1944. Scrapped in 1946. [9] [59] USA 253 American Locomotive Co. 2-8-2. 27,540 lbf (122.5 kN) September 1923 64985 Denver & Rio Grande Western R.R. Class K-28. Originally, D ...
Again in 1949, the engine was featured at the Chicago World's Fair, this time in a version of the road's diesel colors of yellow and silver with black stripes. The engine featured in the 1952 film Denver and Rio Grande before returning to ordinary service in the Gunnison area. The engine's final run for the D&RGW was in 1954.
The route was originally opened in 1882 by the Denver and Rio Grande Railroad (D&RG) to transport silver and gold ore mined from the San Juan Mountains. The line was the "San Juan" extension of the D&RG 3 ft ( 914 mm ) narrow-gauge line from Antonito, Colorado , to Durango .
Denver and Rio Grande Western No. 168 is a class "T-12" 4-6-0 “Ten Wheeler” type narrow-gauge steam locomotive. It is one of twelve similar locomotives built for the Denver and Rio Grande Railroad (D&RG) by the Baldwin Locomotive Works in 1883. It was built as a passenger locomotive, with 46 in (1,200 mm) drivers, the largest drivers used ...
The Denver and Rio Grande Western K-37 is a class of 2-8-2 "Mikado" type narrow-gauge steam locomotives built for the Denver and Rio Grande Western Railroad. They were new steam locomotives built in the D&RGW Burnham Shops as a near copy of the Rio Grande class K-36 . [ 3 ]
Gold Bond of the Rio Grande Southern Railroad, issued 1. July 1890. The Rio Grande Southern Railroad (reporting mark RGS, also referred to as "The Southern") was a 3 ft (914 mm) narrow-gauge railroad which ran in the southwestern region of the US state of Colorado, from the towns of Durango to Ridgway, routed via Lizard Head Pass.