000			00510nam a22001577a 4500
008			230525b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aR 374.64:57 _bJ5
100			_aWeaver, Richard L _99879
245			_aHandbook for teaching of conservation and resource-use
260			_aIllinois: _bThe Interstate Printers and Publishers, Inc., _c1955
300			_a499p.
650			_aEducation
653			_aBiology teachers
942			_2udc _cHDK
999			_c34471 _d34471