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Volume tables plantation grown white pine, Pinus strobus L. in Connecticut

How and when to collect white pine seed...

White pine timber supplies. Letter from the secretary of agriculture, transmitting, in response to Senate resolution of April 14, 1897

• Report on the spruce budworm
  المؤلفون: Blackman, M. W.
• I. Notes on insects bred from the bark and wood of the American larch.
  المؤلفون: Blackman, M. W. ,  Stage, Harry Hutchinson