000			00372 a2200133 4500
082			_a631.4 _bUn33en
245	1		_aENGINEERING HANDBOOK
260			_aWashington _bU. S. Dept. Of Agriculture, Soil Conservation Service _c
300			_av.,1
500			_aChap. 17 & 21
650			_aSoil Conservation -- Handbooks, Manuals, Etc
964			_gCIRC
997			_aA1465 v. 4 s C
999			_c457273 _d457273