Yazar
Carl Phillip Heisig
3 cilt bulundu.
Cilt sonuçları
New farms on new land
Carl Phillip Heisig · U.S. Dept. of Agriculture, Bureau of Agricultural Economics
123 sayfa · 1941
Agriculture / Economic aspects / Economic aspects of Agriculture / Internal Migration / Migration, Internal
Fruit trees in Yakima County, Washington
Carl Phillip Heisig · State College of Washington, Agricultural Experiment Station
58 sayfa · 1938
Fruit trees
A graphic presentation of changes in the agriculture of Washington from 1930 to 1935
Carl Phillip Heisig · State College of Washington, Agricultural Experiment Station
47 sayfa · 1936
Agricultural systems / Agriculture