rooted cypress tree completely buried within a natural levee of the Atchafalaya River within the Indian Bayou Wildlife Management Area just south of Krotz Springs, Louisiana. Radiocarbon dates and historic documents collected for this archaeological survey, during which this and other upright trees were found, of the Indian Bayou Wildlife Management Area demonstrated that these upright trees were buried in the 1800s, during the initial diversion of Mississippi River's flow into the Atchafalaya River. Glacial deposits Unfossilized, late Pleistocene upright trees have been found buried beneath glacial deposits within North America along the southern edge of the Laurentide Ice Sheet. These buried forests were created when the southern edge of the Laurentide Ice Sheet locally dammed valleys. As a result, meltwater lakes filled these valleys and submerged forests within them. Sediments released by the melting of the adjacent ice sheet rapidly filled these lakes, which quickly buried and preserved the submerged forests lying within them. One forest of in situ, 24,000-year-old unfossilized upright trees was exposed by excavations for a quarry near Charleston, Illinois. Excavations for a tailings pond about Marquette, Michigan, exposed an in situ forest of unfossilized trees, which are about 10,000 years old, buried in glacial lake and stream sediments. References External links Ferguson, L., 1988, Formation of Joggin upright fossil trees, The Joggins Fossil Cliffs, Fossils of Nova Scotia, Nova Scotia Museum, Nova Scotia. Macrea, A. 1997, "Polystrate" Tree Fossils, TalkOrigins Archive Stratigraphy Fossils Creationism