e/Greenbrier Limestone

Information
has gloss	eng: Greenbrier Limestone, also known locally as "Big Lime", is an extensive limestone unit deposited during the Middle Mississippian Epoch (345.3 ± 2.1 – 326.4 ± 1.6 Ma). It is everywhere present below ground in West Virginia and neighboring Kentucky and extends somewhat into western Maryland and southwestern Virginia. The name derives from the Greenbrier River and Valley in West Virginia.
lexicalization	eng: Greenbrier Limestone
instance of	e/Formation (geology)

Media
media:img	SinksofGandyCreek1.jpg