000 00534nam a22001697a 4500
008 230410b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a339.5(73)
_bL1.4
245 _aConservation in the United states:
_bA documentary history
260 _aNew York:
_bChelsea House Publishers,
_c1971
300 _axxv, 782p.
490 _aLand and water 1900-1970
650 _aConservation
653 _aFederal waterway
700 _aSmith, Frank E (Ed.)
942 _2udc
_cBK
999 _c19883
_d19883