000			00758nam a2200253Ia 4500
003			HQRS
005			20180103225201.0
008			150617s2014 xx 000 0 eng d
040			_aHQRS _beng _cHQRS
041			_heng
080			_b502.51:504.5(73) L1
100			_aDworsky, Leonard B.
245			_aPollution
260			_aNew York: _bChelsea House Publishers, _c1971
300			_axl, 911p.; _c24cm.
440			_aConservation in the United States: a documentary history ed. by Frank E. Smith
500			_aIncludes bibliographical references
650			_aWater pollution _xUnited States
650			_aAir pollution
650			_aEnvironmental policy
650			_aEnvironmental law _xUnited States
365			_aINR
942			_2udc _cBK
999			_c5290 _d5290