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Figure 2--Relative percent contribution of point and nonpoint sources of pollution to impaired river miles from 1988 to 1998. Source: U.S. Environmental Protection Agency 1990, 1992, 1994, 1996, 1998a, 2000a.

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Relative contribution to each state's impaired river miles, in percent:

	point sources	nonpoint sources
AL	39	61
AR	16	84
FL	42	58
GA	83	17
KY	48	52
LA	47	53
MS	11	89
NC	25	75
OK	13	87
SC	60	40
TN	26	74
TX	79	21
VA	31	69