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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 ...
Garfield Park Conservatory, located in Garfield Park in Chicago, is one of the largest greenhouse conservatories in the United States.Often referred to as "landscape art under glass", the Garfield Park Conservatory occupies approximately 4.5 acres (18,000 m 2) inside and out and contains a number of permanent plant exhibits incorporating specimens from around the world, including some cycads ...
Rayleigh waves are a type of surface acoustic wave that travel along the surface of solids. They can be produced in materials in many ways, such as by a localized impact or by piezo-electric transduction, and are frequently used in non-destructive testing for detecting defects.
Red Hills State Park is an Illinois state park on 967 acres (391 ha) in Lawrence County, Illinois, United States. The park sits at an elevation of 515 feet (157 m). [ 1 ] Red Hills State Park is open for year-round recreation including boating , fishing , hunting , hiking and various winter sports. [ 2 ]
State parks are owned by the state and generally administered by the Illinois Department of Natural Resources. [3] Specifically, “State Park” refers to sites “exhibiting exceptional scenic and natural features and terrain” and that “offer a wide range of recreational opportunities for the public to enjoy”. [4]
The Kincaid Mounds Historic Site (11MX2-11; 11PO2-10) [3] c. 1050–1400 CE, [4] is a Mississippian culture archaeological site located at the southern tip of present-day U.S. state of Illinois, along the Ohio River.
Cache River State Natural Area; Cahokia; Cape Bend State Fish and Wildlife Area; Carlyle Lake State Fish and Wildlife Area; Castle Rock State Park (Illinois) Cave-in-Rock State Park; Cave-In-Rock, Illinois; Chain O'Lakes State Park (Illinois) Channahon State Park; Clinton Lake State Recreation Area; Coffeen Lake State Fish and Wildlife Area
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 ...