Yazar
Harry Nichols Whitford
12 cilt bulundu.
Cilt sonuçları
The genetic development of the forests of northern Michigan
Harry Nichols Whitford · The University of Chicago press
325 sayfa · 1901
Botany / Forests and forestry / Plant ecology
A preliminary working plan for the public forest tract of the Insular Lumber Company
Theo Douglas, Harry Nichols Whitford · Bureau of Printing
54 sayfa · 1906
Forest management / Timber / Forest policy
A preliminary check list of the principal commercial timbers of the Philippine Islands
Harry Nichols Whitford, Philippines. Bureau of Forestry · Bureau of Printing
45 sayfa · 1907
Timber / Forests and forestry / Botany / Forestry