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Other Available Maps:Active Leases (2004)
Cumulative Lease Activity Since 1982
Offered Since 1982 (Not Leased)
Leased Since 1982 (Open & Closed)
Produced O&G Since 1982
Source: EWG analysis of leasing and drilling records in 12 western states, contained in the Bureau of Land Management's Land and Mineral Records 2000 database, acquired by EWG May 15 2004.