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182
Energy conservation strategies /
by Seidel, Marquis R.
Published 1973

Government Document Book
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184
Land application of wastewater under high altitude conditions /
Published 1978

Government Document Book
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185
Atlas of United States trees.
Published 1971

Government Document Book
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186
Chilies to chocolate : food the Americas gave the world /
Published 1992

Government Document Book
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187
A revision of the catsharks, family Scyliorhinidae /
by Springer, Stewart
Published 1979

Government Document Book
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188
Fifty years : New York state parks 1924-1974.
Published 1975

Government Document Book
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190
Americans in agriculture : portraits of diversity.
Published 1990

Government Document Book
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191
Good growing : why organic farming works /
by Duram, Leslie A.
Published 2005

Government Document Book
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192
The U.S. Forest Service : a history /
by Steen, Harold K.
Published 1976

Government Document Book
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193
Field manual for the investigation of fish kills /
Published 1990

Government Document Book
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194
Farm structure : a historical perspective on changes in the number and size of farms /
Published 1980

Government Document Book
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195
Soil survey manual /
Published 1993

Government Document Book
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196
Man : an endangered species?.
Published 1968

Government Document Book
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197
Dreamers & defenders : American conservationists /
by Strong, Douglas Hillman
Published 1988

Government Document Book
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198
Fishes of the Atlantic Coast of Canada /
by Leim, A. H. (Alexander Henry)
Published 1966

Government Document Book
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199
Quest for quality.
Published 1965

Government Document Book
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200
Our living land : United States Department of the Interior environmental report.
Published 1971

Government Document Book
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