Southern Utah Wilderness Alliance v. Norton
Facts
Utah BLM offered and later issued sixteen oil and gas leases on southern Utah public lands, and each lease authorized some level of surface disturbance. Four Richfield field office parcels were supported primarily by older planning documents, including the 1975 Price Environmental Analysis Record, the 1982 Henry Mountain Management Framework Plan, and a 1988 supplemental EA. For all sixteen parcels, BLM had newer information about wilderness characteristics: its 1998-1999 wilderness inventory found wilderness character in the Desolation Canyon, Floy Canyon, Flume Canyon, and Coal Canyon areas, and in 2002 BLM concluded that SUWA had provided new and significantly different information suggesting the Flat Tops parcels may have wilderness characteristics. Rather than preparing a new EA or EIS, BLM relied on Determinations of NEPA Adequacy and denied SUWA’s protest before issuing the leases.
Issue
Whether Utah BLM violated NEPA by issuing four Richfield leases without an adequate pre-leasing NEPA document that meaningfully considered the no-leasing alternative, and whether BLM also violated NEPA as to all sixteen leases by refusing to supplement its earlier NEPA analyses in light of significant new information about wilderness characteristics.
Rule
Under NEPA, before BLM issues oil and gas leases that authorize surface-disturbing activities, the agency must have an adequate pre-leasing EA or EIS supporting the leasing decision, including meaningful consideration of the no-action or no-leasing alternative in the land-use planning context. In addition, if major federal action remains and new information shows that the remaining action may affect the quality of the human environment in a significant manner or to a significant extent not already considered, the agency must prepare supplemental NEPA analysis; internal DNAs cannot substitute for that analysis.
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