000 00531nam a22002051 4500
001 24128
003 BD-DhUET
008 720131s1961 iaub b 101 0 eng
040 _aDLC
_cODaWU
_dBD-DhUET
082 _a627.52
_bTOL/1961
100 _aTolley, G. S.
245 1 0 _aEconomics of watershed planning
250 _a1st ed.
260 _aAmes
_bIowa State University Press
_c1961
300 _aix, 339 p.
_bill.
_c24 cm.
504 _aIncludes bibliographies
650 0 _aWatersheds
700 _aRiggs, F. E.
942 _cEB
999 _c24128
_d24128