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Arbor day and bird day ... October 27, 1922.
قراءة الكتاب
  • المؤلفون: Sproul, William Cameron
  • تاريخ النشر: 1922]
  • المساهمون: Biodiversity Heritage Library
  • المجموعات: Biodiversity Heritage Library
  • التصنيف: Others
  • الموضوعات: Roosevelt, Theodore,--1858-1919. ,  Forests and forestry--Pennsylvania. ,  Arbor Day. ,  Babcock, Charles Alonzo,--1847-1922. [from old catalog] ,  Bird Day. ,  Game and game-birds--Pennsylvania. ,  Flowers--Pennsylvania. ,  Water-power--Pennsylvania. ,  Mines and mineral resources--Pennsylvania. ,  Soils--Pennsylvania.
  • كلمات مفتاحية: Roosevelt, Theodore, 1858-1919. Babcock, Charles Alonzo, 1847-1922. [from old catalog] Arbor Day. Bird Day. Game and game-birds Pennsylvania. Flowers Pennsylvania. Forests and forestry Pennsylvania. Water-power Pennsylvania. Mines and mineral resources Pennsylvania. Soils Pennsylvania.

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