Radiocarbon dating 101

Some bays are predominantly open water with large scattered pond cypress, while others are composed of thick, shrubby areas (pocosins), with vegetation growing on floating peat mats.

Undrained, often circular to oval, depressions exhibiting a wide range of area and depth are also a very common feature of the Gulf of Mexico coastal plain within Texas and southwest Louisiana.These depressions vary in size from 0.4 to 3.6 km (0.25 to 2 miles) in diameter.Within Harris County, Texas, raised rims, which are about 0.65 m (2 ft) high, partially enclosed these depressions.Its flammability aids in periodic burning, which is necessary for Canby's Dropwort and many of the other species unique to the environment.

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