Table 1. Areal extent of the major land resource areas (MLRA) in the southern region of the United States for which data are provided in this publication.
Region			Land
Category	MLRA designation	States	Area
			km2
J. Southwestern Prairies Cotton and Forage
	86 Texas Blackland Prairie	TX	49,700
	87 Texas Claypan Area	TX	24,057
D. Western Range and Irrigated
	42 Southern Desertic Basins, Mountains, and Plains	TX	75,630
H. Central Great Plains Winter Wheat and Range
	77 Southern High Plains	TX and OK	89,826
	78 Central Rolling Red Plains	TX and OK	129,267
N. East and Central Farming and Forest
	116A Ozark Highlands	AR and OK	24,566
	120 Kentucky and Indiana Sandstone and Shale Hills and Valleys	KY	19,234
	121 Kentucky Bluegrass	KY	23,082
	123 Nashville Basin	TN	14,582
	125 Cumberland Plateau and Mountains	AL, TN, KY, and VA	51,658
	128 Southern Appalachian Ridges and Valleys	AL, TN, and VA	59,520
	129 Sand Mountains	AL and GA	20,805
O. Mississippi Delta Cotton and Feed Grains
	131 Southern Mississippi Valley Alluvium	AR, LA, MS, and TN	87,914
	134 Southern Mississippi Valley Silty Uplands	AR, LA, MS, TN and KY	74,094
P. South Atlantic Gulf Cash Crops Forest and Livestock
	133A Southern Coastal Plain	MS, TN, AL, GA, FL, SC, NC, VA	275,656
	133B Western Coastal Plain	AR, LA, OK and TX	137,276
	135 Alabama, Mississippi, and Arkansas Blackland Prairie	AL, MS, AR	18,592
	136 Southern Piedmont	AL, GA, SC, NC, VA	166,986
	137 Carolina and Georgia Sand Hills	GA, SC and NC	22,480
T. Atlantic and Gulf Coast Lowland Forest Crop
	153A Atlantic Coast Flatwoods	FL, GA, SC, NC and VA	84,475