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View search results on mapThis 3.4 million square foot facility in Lafayette is Subaru’s only assembly plant in the USA. It was completed in 1988, as a partnership with Isuzu, making Subaru Legacys and Isuzu Rodeos. When the Isuzu company went away, its Rodeo model was continued by Honda, rebranded as the Passport. Then Toyota became a partner and made Camrys there from 2007 to 2016. So this plant has made four separate Japanese company’s cars: Isuzu, Honda, Toyota, and Subaru.
Mitsubishi Motors North America operated its only US production facility in Normal, Illinois. It closed some years ago, and now the 2,200,000 square foot plant, with a 3,400 foot long building, is the manufacturing plant for Rivian, an electric car company.
A big plant that made Volkswagen Rabbits, a breed of car once popular in the USA, from 1978-1988. The plant has been taken over by other non-automotive uses since then.
Enterprise’s Anse La Butte Gas Storage Terminal is an underground gas storage facility, with five cavities made by hydraulically mining out space inside the subterranean Anse La Butte Salt Dome. Each cavity can hold around 1-2 million barrels of liquefied natural gas.
Cargill Salt’s Breaux Bridge Plant and mine is a solution-mined salt operation, that extracts salt from the Anse La Butte Salt Dome, an underground geologic feature with a high concentration of salt.
Cargill operates an underground salt mine inside the Avery Island salt dome, one of five heavily developed domes in a row near New Iberia, Louisiana. Its first salt mines date back to 1862, making it possibly the first salt dome mined for salt in the USA. Cargill extracting around 2.5 million tons per year, mostly for use as road salt, which is shipped by barge to the northeast.
The primary source of Tabasco Sauce is this unusual plant and plantation, on top of the Avery Island Salt Dome, in coastal Louisiana. The company was founded by the McIlhenny family, and this is still their estate, with several private homes on the grounds in addition to publicly accessible Jungle gardens, and the Tabasco plant factory tour. This is also where Robert Flaherty’s film Louisiana Story, commissioned by Standard Oil, was filmed.
Belle Isle is the southernmost of five salt domes forming a row along the coast of western Louisiana (northwestward they are White Castle, Weeks, Avery, and Jefferson), sometimes referred to as the five islands. Belle Isle is accessible only by boat, and has some ruins, and some solution salt mining and gas storage facilities. Cargill opened an underground salt mine here in 1962, 1,200 feet below sea level. In 1968, a fire in the mine killed 21 people.
This was one of the largest sulphur production sites in the world, and was operated by the Texasgulf company, which still has facilities on site, no longer in use, including part of the industrial plant, and two large brick smokestacks. Hundreds of employees lived in the adjacent company town of Newgulf, which only has a few houses that are still occupied now.
The north end of the Boling Salt Dome has been developed into the Wilson Gas Storage Facility, with a capacity of 7.5 million barrels in three storage cavities in the dome, one of which is used for ethane.
The Chacahoula Salt Dome near Thibodaux, has four wells, used for solution mining of salts by Texas Brine. There are also a few oil wells forming a partial loop around the dome’s edge. It is one of a few dozen developed underground salt domes in the Gulf region.
This underground salt dome, southwest of Houston, is a former sulphur production plant with some of the old production facilities remaining. It is an active gas storage site, operated by Conoco Phillips, with long ponds for holding water. A billion cubic feet of hydrogen is also stored here in a 1,000 x 160-foot cavity, 2,800 feet below the surface.
The Clovelly Salt Dome south of Houma, is an underground geologic salt formation that has been turned into a storage site for petroleum, with eight caverns and a 50 million barrel capacity. It is an onshore terminal connected by pipeline to a tanker port in the Gulf, off Port Fourchon. The system is known as the Louisiana Offshore Oil Port, or LOOP, and was built for imported oil, coming by ship.
A gas storage and sulphur production site, with drilled storage and solution-mined cavities constructed inside the Fannett Salt Dome, an underground geologic salt intrusion, southwest of Beaumont. Facilities include Fannett Storage Terminal, once operated by Valero. Fannett also has some oil industry waste disposal facilities.
High Island is a salt dome directly on the coast, bulging 32 feet above sea level, making it the highest point on the Gulf Coast between Mobile, Alabama and the Yucatan. It is ringed by around 200 oil wells, some of which are still pumping. High Island was also an early minor sulphur mine site. On the mound itself is a community of a few hundred people, and an old mineral springs resort.
The Hull Salt Dome is an underground geologic salt deposit, one of a few dozen in the Gulf Coast region. The town of Daisetta, northeast of Houston, sits on top of the dome, supporting the oil and gas industry that uses the dome as a storage facility, by excavating large vertical cavities in the salt. One of these here is a major gas storage facility, operated by ExxonMobile.
The Fort Bend Regional Landfill site on the site of a former sulphur plant, and is surrounded by subsidence ponds formed by the extraction of sulphur from the site. It is located atop the Long Point Salt Dome, an underground geologic feature which occurs at several dozen locations around the Gulf region, and which were some of the first sites to be drilled for oil and gas, as they tend to trap this material around its edges, hundreds or thousands of feet underground.
The Moss Bluff Salt Dome was mined for sulphur by Texasgulf, then transformed into an underground storage dome, now used by Shell and Spectra Energy as the Moss Bluff Storage Field. One of three caverns here blew up in 2004, with flames shooting 200 feet into the air. There is also a hydrogen storage cavity, 1,900 feet tall, and 200 feet wide.
The Napoleonville Salt Dome, at Bayou Corne, is the site of a major sinkhole formation, where an underground storage cavity made by Texas Brine collapsed in 2012, forming a lake of more than 25 acres. One dramatic stage of the collapse was captured on video, and portions of the flooded forest can be seen moving sideways before being sucked down into the earth. Some local residents remain evacuated, as the region is still unstable.
Triangle Lake is triangular pond left over from the sulphur mining that went on here, starting in 1938. The mine had wells as deep as 3,200 feet, extracting sulphur from the edges of the Orchard Salt Dome, a type of underground geologic structure that often traps oil, gas, and sulphur.
An underground salt dome, just a mile south of the Astrodome in Houston, has a solution-mined salt operation run by Texas Brine, and a gas storage site run by Texas Underground LLC. The Wildcat Golf Club has been developed on top of some of the dome's unstable and partially flooded land.
The Sorrento Salt Dome, southeast of Baton Rouge, has at least 17 gas storage cavities excavated into it, owned by Shell, Chevron, Motiva, ExxonMobil, Enterprise, and others, with around 35 million barrels of capacity.
A circular lake north of the town of Sour Lake formed by subsidence, as part of the extractive industries around the Sour Lake Salt Dome, an underground salt formation west of Beaumont, that has been heavily worked. A sulphur spring lake resort was established near here in the mid-1800s, and oil has been extracted even before the first gusher, in 1902. This was the birthplace of Texaco, and some call it the oldest continuously producing oil field in the world.
The Stratton Ridge dome is next to the large chemical production plants of Freeport, south of Houston, and has been developed into a major storage facility for natural gas and petroleum gas.
The Sulphur Mines Salt Dome was where the Frasch process of sulphur extraction was first put into practice, leading to the boom in sulphur production from salt dome caprock all over the Gulf. The last of the mines in the region closed in 2000. The Brimstone Museum is located nearby, in downtown Sulphur. The salt dome here has two storage cavities for gas, with around a million barrels of capacity each, and a solution salt mining operation.
Morton Salt has operated salt mines extracting salt from this underground salt dome for decades. Some of the old mines were converted to oil storage for the Strategic Petroleum Reserve, but this was abandoned in the 1990s, after leaks occurred. Dow Chemical’s Advanced Materials division operates facilities adjacent to the Morton Salt operations.
The underground White Castle Salt Dome, at Cote Blanche, is mined for salt, mechanically and by solution, by the North American Salt Company (now the Compass Minerals Corporation). The salt dome forms a raised island on the coast, and is accessed by a cable ferry crossing.
At 3,213 feet above sea level, the summit of Mount Davis is the highest point of land in Pennsylvania. It is one of the 28 of the 50 highest points in the 50 states that are accessible by car. The summit has a fire tower on it, which, of course, makes the highest point in the state even higher.
At 4,863 feet above sea level, the summit of Spruce Knob is the highest point of land in West Virginia. It is short walk from the parking lot to an observation tower, which gets you even higher. It is one of the 28 of the 50 highest points in the 50 states that are accessible by car.
At 1,951 feet, the summit of Timms Hill is the highest point of land in Wisconsin. It is located in a county park, and has an observation tower and a taller radio tower that some people climb, both of which of course make the state even higher still. It is one of the 28 of the 50 highest points in the 50 states that are accessible by car.