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By: United States. Bureau of Land Management. Grand Junction Resource Area.Edition:Publication info: Grand Junction, Colo, U.S. Department of the Interior, Bureau of Land Management, Grand Junction District, Grand Junction Resource Area, 1997Volume:Series:Holding Institution: Bureau of Land ManagementSubjects: Biodiversity conservation Biological diversity conversation Black Ridge Canyons Wilderness Black Ridge Canyons Wilderness (Colo. and Utah) Colorado Ecosystem management Land use Management Natural resources conservation areas Planning Ruby Canyon Ruby Canyon (Colo. and Utah) United StatesBHL Collections: