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241Published 1972Subjects: “...Wilderness areas United States Congresses....”
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242Published 1978Subjects: “...Energy consumption United States Congresses....”
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243Published 1981Subjects: “...Car pools United States Congresses....”
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244Published 1975Subjects: “...Political science Research United States Congresses....”
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245Published 1976Subjects: “...Historic sites United States Conservation and restoration....”
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246Published 1970Subjects: “...Science Study and teaching (Higher) United States Congresses....”
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247Published 1981Subjects: “...Employee fringe benefits Taxation United States....”
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248Published 1984Subjects: “...Agricultural innovations United States Congresses....”
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249Published 1985Subjects: “...Federal aid to research United States Congresses....”
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250Published 1979Subjects: “...Soil conservation United States Congresses....”
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251Published 1980Subjects: “...Social service Research United States Congresses....”
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252Published 1978Subjects: “...Students, Foreign United States Congresses....”
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253Published 1972Subjects: “...Watersheds United States Congresses....”
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254Published 1986Subjects: “...Groundwater United States Artificial recharge Congresses....”
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255Published 1975Subjects: “...Health education United States Congresses....”
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256
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257
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258
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259
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260Published 1978Subjects: “...Ecology Research United States Congresses....”
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