E.C. Ayres Claude Quincy
Soil erosion and its control / Textual Documents Quincy Claude Ayres, C.E. - 1st ed / - New York. McGraw-Hill book Company, Inc. 1936. - xi, 365 p.,
Soil and soil conservation Agriculture
631.45 / AYR
Soil erosion and its control / Textual Documents Quincy Claude Ayres, C.E. - 1st ed / - New York. McGraw-Hill book Company, Inc. 1936. - xi, 365 p.,
Soil and soil conservation Agriculture
631.45 / AYR