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1Subjects: “...Geology North America Bibliography....”
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2Published 1923Subjects: “...Geology North America Bibliography....”
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3Published 1931Subjects: “...Geology North America Bibliography....”
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4by Nickles, John M. (John Milton), 1859-1945Subjects: “...Geology North America Bibliography....”
Published 1911
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5by Weeks, Fred Boughton, 1864-1942Subjects: “...Geology North America Bibliography....”
Published 1903
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6by Nickles, John M. (John Milton), 1859-1945Subjects: “...Geology North America Bibliography....”
Published 1916
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7by Travis, Steven E.Subjects: “...Spartina alterniflora North America....”
Published 2006
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8Published 2006Subjects: “...Invertebrates North America....”
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9Published 1999Subjects: “...Water Purification Chlorination North America....”
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10by Middleton, BethSubjects: “...Invasive plants North America....”
Published 2006
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11Published 2006Subjects: “...Soil chemistry North America....”
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12by Castle, Robert O.Subjects: “...Leveling North America....”
Published 1994
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13Published 2009Subjects: “...Phytogeography North America Maps....”
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14Published 2000Subjects: “...Freshwater mussels North America....”
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15
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16
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17Published 1998Subjects: “...Biotic communities North America....”
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18Published 2012Subjects: “...Landscapes North America Maps....”
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20Published 1985Subjects: “...Lake sediments North America....”
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