paul h orr

Paul H. Orr · U.S. Agricultural Research Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.

52 sayfa · 1971

Handling / Potatoes / Packing / Marketing / Processing

Paul H. Orr · U.S. Govt. Print. Off.

28 sayfa · 1971

Potatoes / Storage / Machinery

Paul H. Orr · Agricultural Research Service, U.S. Dept. of Agriculture

35 sayfa · 1971

Potatoes / Equipment and supplies / Storage / Bins

Paul H. Orr · U.S. Govt. Print. Off.

21 sayfa · 1973

Potatoes / Packing-houses

Paul H. Orr · Agricultural Research Service, U.S. Department of Agriculture

21 sayfa · 1973

Packing-houses / Potatoes / Packing