1 |
Land drainage and reclamation / by Quincy Claude Ayres and Daniels Scoates
2nd ed. - New York ; London : Mcgraw-Hill , 1939
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2 |
Engineering for agricultural drainage / Harry Burgess Roe, Quincy Claude Ayres
New York : McGraw-Hill , 1954
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3 |
Farm gas engines and tractors / by Fred R. Jones
2nd ed. - New York ; London : McGraw-Hill Book , c1938
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4 |
Farm machinery and equipment / Harris Pearson Smith
4th ed. - New York : Toronto : London : McGraw-Hill , 1955
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5 |
Introduction to agricultural engineering / H.F. McColly, J.W. Martin
New York : McGraw-Hill , 1955
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6 |
Farm machinery and equipment / by Harris Pearson Smith
2rd ed. - New York : McGraw-Hill , 1937
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7 |
Rural electrification engineering / by Unus F. Earp
New York : McGraw-Hill , 1950
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8 |
Farm gas engines and tractors / [by] Fred R. Jones
3rd ed. - New York ; London : McGraw-Hill Book , c1952
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9 |
Soil erosion and its control / by Quincy Claude Ayres
1st ed. - New York ; London : McGraw-hill , 1936
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