s h mccrory

S. H. McCrory · U.S. Dept. of Agriculture

20 sayfa · 1915

Drainage

S. H. McCrory · U.S. Dept. of Agriculture, Office of Experiment Stations

47 sayfa · 1912

Drainage

S. H. McCrory · United States Department of Agriculture

Sayfa sayısı yok · 1935

Land use / Agricultural machinery / Radio addresses, debates

S. H. McCrory · U.S. Department of Agriculture

Sayfa sayısı yok · 1935

Farmhouses / Maintenance and repair / Radio addresses, debates

S. H. McCrory · United States Department of Agriculture

Sayfa sayısı yok · 1931

Agricultural engineering / Radio addresses, debates

S. H. McCrory · United States Department of Agriculture

Sayfa sayısı yok · 1932

Agricultural engineering / Research / Radio addresses, debates

S. H. McCrory · United States Department of Agriculture

Sayfa sayısı yok · 1941

Radio addresses, debates / Home economics extension work / Agricultural machinery / Maintenance and repair

S. H. McCrory · U.S. G.P.O.

53 sayfa · 1911

Reclamation of land / Drainage