000 00471nam a2200157Ia 4500
999 _c12751
_d12751
082 _aRR 333.7025 DIR;
245 0 _aDirectory of environmental information sources
250 _a2nd
260 _aMassachusetts
_bNational Foundation for Environmental Co
_c1972
300 _aix, 457p.
504 _aIncludes appendix
650 _aEnvironmental information sources - Directories
700 _aTaliaferro, Peter W.
700 _aThibeau, Charles E.
942 _cBK
_2ddc