[To Parent Directory] 6/17/2005 3:42 PM 233280204 allegheny_1967_index_1.tif 6/17/2005 3:47 PM 233280204 allegheny_1967_index_2.tif 6/17/2005 3:59 PM 233280204 allegheny_1967_index_3.tif 6/17/2005 4:03 PM 233280204 allegheny_1967_index_4.tif