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1Subjects: “...Inc. laboratory;Inc.laboratory;Arctic region;Greenland;list;Canada;United States;C 14;carbon;dates...”
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2Subjects: “...;Wisconsin;Iowa;general listing;United States;C 14;carbon;dates;isotopes;radioactive isotopes;absolute age...”
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4by United States. Central Intelligence Agency.“...Includes note. North Pole at center. Also shows "10⁰C (50⁰F) isotherm, July". Shipping list...”
Published 2007
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5“...Map of the eastern United States and vicinity, including the West Indies. Shows political...”
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6by St. Louis University. School of Law. Library;Subjects: “...Leonor K.; United States. Congress. House....”
Published 1989
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7by United States. Congress. Office of Technology Assessment.“..."OTA-ENV-632"--P. [4] of cover. "September 1995"--P. [4] of cover. Shipping list no.: 96-0042-P...”
Published 1995
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8“... sites of Pleistocene age in Canada and the neighbouring United States is given. A table indicates...”
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9“...The United States (U.S.) National Park Service has initiated research on the atmospheric deposition...”
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10by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1994
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11by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1994
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12by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1991
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13by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1991
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14by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1996
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15by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1996
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16by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1992
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17by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1992
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18by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1993
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19by John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1993
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20by The John Muir Center for Regional StudiesSubjects: “...United States History...”
Published 1996
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