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1by McDonald, Philip M.“...U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station,...”
Published 1994
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Government Document Book -
2Vegetation trends in a 31-year-old ponderosa pine plantation : effect of different shrub densities /by McDonald, Philip M.“...U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station,...”
Published 1997
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Government Document eBook