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1by Wilson, Robert W.Subjects: “...Gypsy moth United States....”
Published 1978
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2Subjects: “...Gypsy moth United States....”
Government Document Book -
3Subjects: “...Douglas fir tussock moth....”
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4Published 1980Subjects: “...Douglas fir tussock moth....”
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5
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6Subjects: “...Gypsy moth United States....”
Government Document Book -
7Subjects: “...Douglas fir tussock moth....”
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8
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9Subjects: “...Douglas fir tussock moth....”
Government Document Book -
10Subjects: “...Gypsy moth Control United States....”
Government Document Book -
11Subjects: “...Douglas fir tussock moth....”
Government Document Book -
12Subjects: “...Gypsy moth Biological control United States....”
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13Subjects: “...Gypsy moth Biological control United States....”
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14Published 1979Subjects: “...Douglas fir tussock moth Control United States....”
Government Document Book -
15by Thompson, Clarence G.Subjects: “...Douglas fir tussock moth Handbooks, manuals, etc....”
Published 1978
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16Subjects: “...Douglas fir tussock moth Control United States....”
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17Subjects: “...Gypsy moth United States....”
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18
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19Subjects: “...Douglas fir tussock moth Control United States....”
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20Published 1982Subjects: “...Douglas fir tussock moth Control....”
Government Document Book