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Bess Bower Dunn Museum. Bess Bower Dunn Museum, formerly known as the Lake County Discovery Museum, is an interactive museum of history, art, and popular culture located in Libertyville, Illinois. The museum was established in 1976 in Wauconda, IL and sited in Lakewood Forest Preserve as part of the larger Lake County Forest Preserve District.
Location. in Oak Forest near Chicago, Illinois. Coordinates. 41°44′01″N 87°40′01″W. / 41.73361°N 87.66694°W / 41.73361; -87.66694. Area. 20 acres. The Oak Forest Site (11Ck-53) is located in Oak Forest, Cook County, Illinois, near the city of Chicago. It is classified as a late prehistoric to Protohistoric /Early Historic ...
The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions, formed approximately 309 million years ago in the mid- Pennsylvanian epoch of the Carboniferous period. These concretions frequently preserve both hard and soft tissues of animal and ...
Expert fossil preparator Bob Masek first discovered the specimen in the 1980s in the fossil deposits preserved at Illinois’ Mazon Creek Lagerstätte. (The German word is a term paleontologists ...
Paleontology in Illinois refers to paleontological research occurring within or conducted by people from the U.S. state of Illinois. Scientists have found that Illinois was covered by a sea during the Paleozoic Era. Over time this sea was inhabited by animals including brachiopods, clams, corals, crinoids, sea snails, sponges, and trilobites.
Lake Chicago. Map of middle stage of glacial Lake Chicago, USGS Report of 1915. Lake Chicago was a prehistoric proglacial lake that is the ancestor of what is now known as Lake Michigan, one of North America 's five Great Lakes. Formed about 13,000 years ago and fed by retreating glaciers, it drained southwest through the Chicago Outlet River.
A two-story tall prehistoric coal forest is created, which displays local landscape, insects and amphibians as they existed 300 million years ago. Featuring life-size replicas of giant insects and tetrapods, the diorama acts as an analogue to the Mazon Creek fossil beds, a Carboniferous-age geological Lagerstätten in central Illinois, responsible for the preservation of most of the area's coal.
Field (s) Coal fields. The Illinois Basin is a Paleozoic depositional and structural basin in the United States, centered in and underlying most of the state of Illinois, and extending into southwestern Indiana and western Kentucky. The basin is elongate, extending approximately 400 miles (640 km) northwest-southeast, and 200 miles (320 km ...