Upper Big Black River
Sub-Basin, Mississippi
HUC8: 08060201

1,477.3 square miles

	County	% of Basin	Sq. Miles
1	Attala	26.6 %	392.434
2	Montgomery	17.9 %	265.162
3	Webster	16.6 %	244.588
4	Choctaw	15.3 %	225.825
5	Carroll	10.5 %	155.217
6	Holmes	10.0 %	147.115
7	Madison	1.6 %	24.227
8	Leake	1.0 %	15.130
9	Oktibbeha	0.5 %	7.558