Search results
Results from the WOW.Com Content Network
In the Netherlands megaliths were created with erratics from glaciers in the northeastern part of the country. [10] These megaliths are locally known as hunebedden (hunebeds) and are usually dolmens. Parts of 53 of these hunebeds are known to exist on their original locations. [11] The different hunebeds are differentiated by province and number.
Megaliths have also been found on Kharg Island and Pirazmian in Iran, at Barda Balka in Iraq. Megalithic structure at Atlit Yam, Israel. A semicircular arrangement of megaliths was found in Israel at Atlit Yam, a site that is now under the sea. It is a very early example, dating from the 7th millennium BC. [62]
Thornton Quarry, just south of Chicago, Illinois. One of the largest aggregate quarries in the world, 1.5 miles (2.4 km) long, 0.5 miles wide, and up to 450 feet deep, site of a Silurian reef. Quarried since 1836. The quarry also acts as an emergency flood control reservoir as part of Chicago Deep Tunnel project.
Chicago's present natural geography is a result of the large glaciers of the Ice Age, namely the Wisconsinan Glaciation that carved out the modern basin of Lake Michigan (which formed from the glacier's meltwater). The city of Chicago itself sits on the Chicago Plain, a flat plain that was once the bottom of ancestral Lake Chicago. This plain ...
Many of the megaliths were destroyed or defaced by early Christians; it is estimated that some 50,000 megaliths once stood in Northern Europe, where almost 10,000 now remain. [6] Menhirs have also been found in many other parts of the world. Many menhirs are engraved with megalithic art, some with anthropomorphic features.
Jean Baptiste Point du Sable (French pronunciation: [ʒɑ̃ batist pwɛ̃ dy sɑbl]; also spelled Point de Sable, Point au Sable, Point Sable, Pointe DuSable, or Pointe du Sable; [n 1] before 1750 [n 2] – August 28, 1818) is regarded as the first permanent non-Native settler of what would later become Chicago, Illinois, and is recognized as the city's founder. [7]
The fossiliferous concretions are found in the Mazon River area of Grundy, Will, Kankakee, and Livingston counties. Additional fossils are found in LaSalle County, Illinois; between the Vermilion River and Marseilles, Illinois. The ironstone concretions are recovered from exposures along streams, roadcuts and in active or abandoned coal mine areas.
The Great Lakes megalopolis consists of a bi-national group of metropolitan areas in North America largely in the Great Lakes region.It extends from the Midwestern United States in the south and west to western Pennsylvania and Western New York in the east and northward through Southern Ontario into southwestern Quebec in Canada.