000 00340nam a2200145Ia 4500
020 _a2799441000
082 _b193
_a000
100 _a"TRENT JOHNSON"
245 0 _aPEOPLE BUILD DAMS
260 _bNational Geographic Society
_aUSA
_c2000
300 _a24
944 _cBK
999 _c484507
_d484507