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Disposition. Static display. Chicago, Burlington and Quincy 4963 is a preserved class "O-1a" 2-8-2 "Mikado" type steam locomotive originally built by the Baldwin Locomotive Works in 1923 for the Chicago, Burlington and Quincy Railroad. It was used by the CB&Q to haul mainline freight trains before it was leased to the Bevier and Southern ...
A standard wire gauge. British Standard Wire Gauge (often abbreviated to Standard Wire Gauge or SWG) is a unit for denoting wire size given by BS 3737:1964 (now withdrawn). It is also known as the Imperial Wire Gauge or British Standard Gauge. Use of SWG sizes has fallen greatly in popularity, but they are still used as a measure of thickness ...
Southern Pacific 975 is a 2-10-2 steam locomotive, built in 1918 by American Locomotive Company at the former Brooks Locomotive Works plant in Dunkirk, New York. It entered service on Southern Pacific subsidiary Texas and New Orleans Railroad in March 1918, where it worked until its retirement in 1957. The T&NO donated the locomotive to the ...
Each completed tunnel is 8,500 feet (2,600 m) long and 20 feet (6.1 m) in diameter, supported by 1,750 concrete rings placed during the boring operation. [36] Two of the three underground stations were constructed using cut-and-cover methods while Chinatown station was constructed with the sequential excavation method. [37] [38]
Pre‑1964. Unconstructed. Deleted. Freeways. This is a list of state highways in the U.S. state of California that have existed since the 1964 renumbering. It includes routes that were defined by the California State Legislature but never built, as well as routes that have been entirely relinquished to local governments.
Metatorbernite (or meta-torbernite) is a radioactive phosphate mineral, and is a dehydration pseudomorph of torbernite. Chemically, it is a copper uranyl phosphate and usually occurs in the form of green platy deposits. It can form by direct deposition from a supersaturated solution, which produces true crystalline metatorbernite, with a dark ...
Vivianite is a soft mineral, with Mohs hardness only to 2, and specific gravity 2.7. It splits easily, with perfect cleavage perpendicular to the b- crystal axis, due to the sheet-like structure of the mineral. It is sectile, with a fibrous fracture, and thin laminae parallel to the cleavage plane are flexible.
Milwaukee Road class EF-1 - 30 two-unit boxcab sets (60 locomotives) built in 1915 by ALCO/GE, identical to EP-1 but for gearing and paint. In addition, the EP-1 units were converted to EF-1 specification in 1920. Milwaukee Road class EF-2 - 3-unit boxcab sets formed from EF-1s in the 1930s. Milwaukee Road class EF-3 - 3-unit boxcab sets formed ...