TY - BOOK AU - Lord,Russell TI - To hold this soil T2 - Miscellaneous publication / United States Department of Agriculture AV - S623 .L57 U1 - 631.45 PY - 1938/// CY - Washington, D.C. PB - U.S. Dept. of Agriculture KW - Soil conservation KW - United States N1 - Contribution from Soil Conservation Service; "Recommended reading": p. 123 ER -