000 00535nam a22001697a 4500
008 230410b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a339.5(73)
_bL1.3
245 _aConservation in the United states:
_bA documentary history
260 _aNew York:
_bChelsea House Publishers,
_c1971
300 _axxvi, 779p.
490 _aLand and water 1492-1900
650 _aConservation
653 _aFederal waterway
700 _aSmith, Frank E (Ed.)
942 _2udc
_cBK
999 _c19876
_d19876