000 00539nam a2200169Ia 4500
008 190327s9999||||xx |||||||||||||| ||und||
010 _a60-166-02
040 _aNITIL
_cNITIL
082 _221st
_a333.91
_bT651E
100 _aTolley, G S (Ed.)
245 0 _aEconomics of watershed planning
_cG S Tolley
260 _aIowa
_bIowa State University Press
_c1961
300 _aix, 339p.
650 _aWater resources development; Water quality-Measurment; Economic development; Natural resources
700 _aRiggs, F E (Ed.)
942 _cBKS
999 _c54716
_d54716