The Geneva years, and how the ground was cleared.

Because it was hard to reach from the sea. In late 1941 the United States needed more steel capacity somewhere beyond the range of an attack on the West Coast, and Utah Valley sits several hundred miles inland behind two mountain ranges. The raw materials for primary steelmaking, iron ore, coal and limestone, were also available in other parts of Utah. Construction ran from November 1941 to December 1944 on about 1,600 acres of lakeshore farmland.

The first shipment, more than 600 tons of steel plate, left in April 1944, and full operations began in December 1944. The mill ran for the last time in November 2001, after a bankruptcy filed in March 1999 and a federally backed rescue loan of about 110 million dollars that did not hold. That is a working life of roughly fifty seven years, and sources differ by a few weeks on exactly when the last heat was poured.

Four owners in sequence. The federal government built it and had it built and run by Columbia Steel, a United States Steel subsidiary. In June 1946 the government sold it to United States Steel for 47.5 million dollars, and United States Steel ran it through the postwar decades. In early 1987 it was spun off to local investors and traded as an independent company called Geneva Steel until the bankruptcies of 1999 and after, when it passed to creditors and then to a redevelopment buyer.

Employment under United States Steel settled at a little over two thousand in the postwar decades, having been far higher during construction, which involved something in the order of ten thousand workers between 1941 and 1944. Figures vary by year and by source, and the number that mattered locally was not the headcount but the concentration: for half a century this single address was the economic centre of gravity for the whole of Utah County.

The furnaces came down at daybreak on 30 June 2005, when more than three hundred drill holes packed with roughly five thousand pounds of explosives brought down two smokestacks, nine stoves and three blast furnaces in a matter of seconds. The remaining mill buildings were razed over the following two years, and by 2007 the demolition was essentially complete. Much of the mill machinery was bought by a Chinese steelmaker and shipped out rather than scrapped.

It was sold in pieces. The water rights went to the Central Utah Water Conservancy District in May 2005 for 88.5 million dollars. The land itself, about 1,750 acres, was sold in November 2005 for 46.8 million dollars to Anderson Geneva for redevelopment. Cleanup ran under the federal voluntary Brownfields programme, and Utah Valley University, which now holds more than two hundred acres on the same ground, describes its land there as fully remediated and approved for development.

The site was cleaned up under the federal voluntary Brownfields programme and approved for development, which is the mechanism designed for exactly this kind of large industrial parcel. The practical position for a buyer is simply that land with a working past comes with a file, and asking to see the file for the exact parcel before an offer is routine rather than suspicious.

Almost nothing physical. There is no preserved furnace, no interpretive centre and no walkable ruin, because the demolition was thorough and the ground was regraded afterwards. What survives is the name on Geneva Road along the city's eastern edge, the @geneva town centre on the north side of the old site, and the rail alignment, which was laid for the mill and now carries commuter trains through the middle of Vineyard.

Precise annual figures vary across the plant's fifty seven years and across sources, but the claim repeated most often in contemporary accounts is that Geneva produced around sixty percent of the steel used in the western United States. Its wartime purpose was steel plate, with the first shipment of more than 600 tons leaving in April 1944, and it operated for the rest of its life as an integrated mill making iron and steel from raw materials on one site.