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Lead Nonattainment Areas

As of December 14, 2012
Detailed Description of Certain Area Boundaries for Partial Counties

MONTANA

East Helena Area (Lewis and Clark Co.), MT
Lewis And Clark Co

Northern boundary - Horizontal Universal Transverse Mercatur(UTM) 5,162,000 mN; eastern boundary - vertical UTM 432,500 mE; southern boundary - horizontal UTM 5,158,000 mN; western boundary - vertical UTM 427,000 mE.



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