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1Published 1993Subjects: “...Oil and gas leases Environmental aspects Colorado Routt National Forest....”
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2Published 1993Subjects: “...Oil and gas leases Colorado Grand Mesa National Forest....”
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3Published 1993Subjects: “...Oil and gas leases Environmental aspects Umatilla National Forest (Or. and Wash.)...”
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4Published 1995Subjects: “...Oil and gas leases Environmental aspects Umatilla National Forest (Or. and Wash.)...”
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5Published 1993Subjects: “...Oil and gas leases Environmental aspects Colorado White River National Forest....”
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6Published 1997Subjects: “...Petroleum industry and trade Environmental aspects Alaska National Petroleum Reserve....”
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7Published 1998Subjects: “...Petroleum industry and trade Environmental aspects Alaska National Petroleum Reserve....”
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8Published 1992Subjects: “...Oil and gas leases Wyoming Thunder Basin National Grassland....”
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9Published 1992Subjects: “...Oil and gas leases Environmental aspects Colorado White River National Forest....”
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10Published 1990Subjects: “...National Coal-Hydrology Program (U.S.)...”
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11Published 1992“...Routt National Forest (Colo.)...”
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12Published 1998“...Grand Staircase-Escalante National Monument (Utah)...”
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13Published 1998“...Gila Box Riparian National Conservation Area (Ariz.)...”
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14Published 1996“...Kofa National Wildlife Refuge (Ariz.)...”
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15Published 1995“...Kofa National Wildlife Refuge (Ariz.) Planning....”
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