1
Published January 1982
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2
Published February 1978
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Report Number(s): Report EPS-2-EC-77-1

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4
by Kirby, Sue
Published May 5, 2008
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5
6
Published February 5, 1975
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7
Published May 1981
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9
Published January 1981
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10
Published February 1981
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11
Published October 1981
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12
Published March 1987
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13
Published June 1988
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Report Number(s): BLM-AK-PT-88-003-1792-910

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14
Published October 1980
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15
Published March 1981
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16
Published May 2011
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Report Number(s): CAAG-TR-SPENV-000004

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17
Published June 1981
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18
Published July 1982
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19
Published April 1981
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20
Published June 1982
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