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While Lamb's analysis assumed a straight wavefront, it has been shown [8] that the same characteristic equations apply to cylindrical plate waves (i.e. waves propagating outwards from a line source, the line lying perpendicular to the plate). The difference is that whereas the "carrier" for the straight wavefront is a sinusoid, the "carrier ...
Illinois' ecology is in a land area of 56,400 square miles (146,000 km 2); the state is 385 miles (620 km) long and 218 miles (351 km) wide and is located between latitude: 36.9540° to 42.4951° N, and longitude: 87.3840° to 91.4244° W, [1] with primarily a humid continental climate.
When the University of Chicago excavated Kincaid in the 1930s and 1940s, their team identified nine mounds on the site's Massac County portion. In 2003, a tenth mound was identified. It is a small mound that was later covered with a midden, and it lies along the current road near the county line on the southeastern corner of the town plaza ...
The Lamb Site (11SC24) is an archeological site located in the central Illinois River Valley (CIRV). Excavations of this site began in the 1990s to attempt to understand the Mississippinization of the area following several generations after the intervention of the Cahokians before Columbus's discovery of America. During the eleventh and ...
Cable; Cache; Cadiz; Calvin; Cameron; Camp Epworth; Camp Ground; Camp Grove; Camp Travis; Campbell; Campbell's Island; Candlewick Lake; Carle Springs; Carman ...
The type locality is the Mazon River (or Mazon Creek), a tributary of the Illinois River near Morris, Grundy County, Illinois. The 25 to 30 meters of shale were formed approximately , during the Pennsylvanian period. The fossiliferous concretions are usually found within the thickest deposits of the Francis Creek Shale.
Search. Appearance. Donate; ... Illinois: County: Hardin: Elevation ... 425093 [1] Lamb is an unincorporated community in Hardin County, Illinois, United States. Lamb ...
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 ...