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close this section of the library (5) Pearson, G.A.
View the document View the PDF document Reproduction of western yellow pine in the Southwest 1910
(Pearson.1910.ReproductionOfWesternYellowPine.pdf)
View the document View the PDF document Preservation of Natural Areas in the National Forests 1922
(Pearson.1922.PreservationOfNaturalAreasIn.pdf)
View the document View the PDF document A Twenty Year Record of Changes in an Arizona Pine Forest 1933
(Pearson.1933.ATwentyYearRecordOf.pdf)
View the document View the PDF document Herbaceous Vegetation a Factor in Natural Regeneration of Ponderosa Pine in the Southwest 1942
(Pearson.1942.HerbaceousVegetationAFactorIn.pdf)
View the document View the PDF document Management of Ponderosa Pine in the Southwest 1950
(Pearson.1950.Management of Ponderosa.pdf)