000			00497pam a2200145 a 4500
020			_a0870445855 : _c$7.95
020			_a0870445901 (lib. bdg.) : _c$9.50
050	0	0	_aTA164 _b.B85 1986
245	0	0	_aBuilders of the ancient world : _bmarvels of engineering / _cprepared by the Special Publications Division, National Geographic Society, Washington, D.C.
260			_aWashington, D.C. : _bThe Society, _cc1986.
300			_a199 p. :
500			_aIncludes index.
650		0	_xHistory.
942			_cGEN
999			_c2536 _d2536