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Midland, Pennsylvania

1906 establishments in PennsylvaniaBoroughs in Beaver County, PennsylvaniaPennsylvania populated places on the Ohio RiverPittsburgh metropolitan areaPopulated places established in 1906
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Midland Carnegie Library
Midland Carnegie Library

Midland is a borough located along the Ohio River in western Beaver County, Pennsylvania, United States. As of the 2020 census, the population was 2,433. It is part of the Pittsburgh metropolitan area. Founded in 1906, it was initially a company town surrounding the Crucible Steel Company's Midland Works.

Excerpt from the Wikipedia article Midland, Pennsylvania (License: CC BY-SA 3.0, Authors, Images).

Midland, Pennsylvania
Beaver Avenue,

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Geographical coordinates (GPS)

Latitude Longitude
N 40.638333333333 ° E -80.4525 °
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Address

Beaver Avenue 749
15059
Pennsylvania, United States
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Midland Carnegie Library
Midland Carnegie Library
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Shippingport Atomic Power Station
Shippingport Atomic Power Station

The Shippingport Atomic Power Station was (according to the US Nuclear Regulatory Commission) the world's first full-scale atomic electric power plant devoted exclusively to peacetime uses. It was located near the present-day Beaver Valley Nuclear Generating Station on the Ohio River in Beaver County, Pennsylvania, United States, about 25 miles (40 km) from Pittsburgh. The reactor reached criticality on December 2, 1957, and aside from stoppages for three core changes, it remained in operation until October 1982. The first electrical power was produced on December 18, 1957 as engineers synchronized the plant with the distribution grid of Duquesne Light Company.The first core used at Shippingport originated from a cancelled nuclear-powered aircraft carrier and used highly enriched uranium (93% U-235) as "seed" fuel surrounded by a "blanket" of natural U-238, in a so-called seed-and-blanket design; in the first reactor about half the power came from the seed. The first Shippingport core reactor turned out to be capable of an output of 60 MWe one month after its launch. The second core was similarly designed but more powerful, having a larger seed. The highly energetic seed required more refueling cycles than the blanket in these first two cores.The third and final core used at Shippingport was an experimental, light water moderated, thermal breeder reactor. It kept the same seed-and-blanket design, but the seed was now uranium-233 and the blanket was made of thorium. Being a breeder reactor, it had the ability to transmute relatively inexpensive thorium to uranium-233 as part of its fuel cycle. The breeding ratio attained by Shippingport's third core was 1.01. Over its 25-year life, the Shippingport power plant operated for about 80,324 hours, producing about 7.4 billion kilowatt-hours of electricity.Owing to these peculiarities, some non-governmental sources label Shippingport a "demonstration PWR reactor" and consider that the "first fully commercial PWR" in the US was Yankee Rowe. Criticism centers on the fact that the Shippingport plant had not been built to commercial specifications. Consequently, the construction cost per kilowatt at Shippingport was about ten times those for a conventional power plant.