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Mosenthein Island

Islands of the Mississippi RiverRiver islands of IllinoisSt. Louis geography stubs
Mosenthein Island
Mosenthein Island

Mosenthein Island, situated approximately eight miles (13 km) due north of the Gateway Arch in St. Louis, Missouri, and approximately one mile (1.6 km) south of the confluence of the Missouri River and Mississippi River, is one of a cluster of three islands: Chouteau Island, Gabaret Island, and Mosenthein Island. Mosenthein Island is 1,077 acres in area. The island is mainly bottomland forest. It is only accessible by boat. It is a popular spot to camp and canoe.

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

Geographical coordinates (GPS)

Latitude Longitude
N 38.7225 ° E -90.201666666667 °
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Madison County (Madison)



Illinois, United States
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Mosenthein Island
Mosenthein Island
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Cementland
Cementland

Cementland is an incomplete public art exhibit on the 54-acre site of a former cement factory just north of St. Louis, Missouri. The brainchild of sculptor Bob Cassilly, who also created St. Louis' City Museum, it contains giant concrete sculptures and obsolete machinery, and was planned to have navigable waterways, among many other features.Much of the landscaping is built on dirt dumped by local construction companies, who used the land as a dump before Cassilly purchased it and who paid him for the privilege. Cassily was funding the construction of Cementland himself; the free material and income from the dumping helps underwrite what he said would "otherwise be an unaffordable project."The site, outside the city boundaries in the village of Riverview, provides a view of the Gateway Arch. “In the afternoon, when the sun shines on the city, you get this nice reflection. You don’t see all the trash and stuff. It’s the best view of the city,” Cassilly said.On September 26, 2011, Cassilly was killed at the Cementland site, and it initially was reported that he died when the bulldozer he was driving flipped down a hill. However, in October 2016, medical expert Dr. Arthur Combs concluded that Cassilly had been beaten to death, and the bulldozer accident staged.The Cassilly family said that they had hopes to continue construction on the project, but in 2022 they sold the site at auction for $785,000. St. Louis photographer Richard Sprengeler has extensively photographed the site as part of a 2022 series.

Chain of Rocks Lock
Chain of Rocks Lock

Chain of Rocks Lock and Dam, also known as Locks No. 27, is a lock situated at the southern end of Chouteau Island near St. Louis, Missouri on the Upper Mississippi River. Its associated dam is just downstream of the Chain of Rocks Bridge, and the lock is located over 3 miles (4.8 km) southeast on the Chain of Rocks canal. The canal and locks allow river traffic to bypass a portion of the river that is unnavigable in low water due to an anticlinal exposure of bedrock in the river—a "chain of rocks". The 8.4-mile (13.5 km) canal, 1,200-foot (370 m) main lock, and 600-foot (180 m) auxiliary lock were built in the late 1940s and early 1950s to allow a by-pass of the Chain of Rocks lying in the main channel of the Mississippi River. This stretch of river in low water seasons was treacherous for commercial tow boats and barges, often requiring them to wait several days for the river to rise. The dam for lock 27 is atypical for the Mississippi, being a weir made of tons of rock laid in the Mississippi to create a small pool elevation upstream from the Chain of Rocks. The drop at Locks 27 can vary from a few feet to over a ten-foot drop depending on the river stage. The Chain of Rocks Lock is operated by the St. Louis District of the U.S. Army Corps of Engineers. Locks No. 27 are the southernmost locks on the Mississippi River and they are the only Locks south of the confluence of the Mississippi River and Missouri River. As such, the Locks move more cargo than any other navigation structure on the Mississippi River.