The identifaction of the pines of the Unites States, native and introduced, by needle structure.
Harlow, W. M.
The identifaction of the pines of the Unites States, native and introduced, by needle structure. - 21 p. ill., 19 pl. - Bulletin of the New York State College of forestry 4, 2a Technical publication 32 .
The identifaction of the pines of the Unites States, native and introduced, by needle structure. - 21 p. ill., 19 pl. - Bulletin of the New York State College of forestry 4, 2a Technical publication 32 .