. Soil physics and management. Fro, H5,—Eo?v«h Dsiiv. Sssli Riwr, Ansv>ns»> >.ir, ?, Rcfclsunatioa Service.*Fm. I lit*.—0;r*:ii?e Ktx-i Diwrsioa Dswa: Sah Riv*r Prv\)<f<ft, Ariioaa. vU, S, Kf IRRIGATION 261 Usually there are depressions to be filled or slight elevations tobe removed. The object is not to level the land, but to reduce Fig. 117. ^^^M. ^ iSfe ^•^?•lA^ *---
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1917