Vicksburg-Jackson Confining Unit: Alabama, Arkansas, Louisiana, Missouri, Mississippi, Tennessee 2006-2008

Outcrop and subcrop extent of the Vicksburg-Jackson Confining Unit in Arkansas, Alabama, Louisiana, Missouri, Mississippi, and Tennessee.美国阿肯色州、亚拉巴马州、路易斯安那州、密苏里州、密西西比州和田纳西州境内Vicksburg-Jackson封闭层（Vicksburg-Jackson Confining Unit）的露头与隐伏露头分布范围。