Yazar
Albert Everett Wieslander
1 cilt bulundu.
Cilt sonuçları
Land utilization statistics for the northern Sierra Nevada
David Weeks, Albert Everett Wieslander, H. R. Josephson, Cary Le Roy Hill · Forest service, Department of Agriculture, California Forest and Range Experiment Station
66 sayfa · 1942
Land use / Agriculture / Economic aspects