Show 00 TRACES LINE OF ANCIENT CANALS CANAL TUCSON Ariz June 35 j DY By ByThe The Associated Press rk Press W rk of tracing the ancient canil system surroundIng the Casa Grande ruin ruins near Florence which was threatened with obliteration by improvements contemplated In I constructing fIle fhe he San Carlos IrrIgation Irrigation gation project has been competed by Byron Cummings director of oC the Arizona state museum The ancient canals were made by Inhabitants of 01 the Casa Grande Granda valley from Irom 00 to 1000 years ears ago Dean Cummings said saM Throe Three main canals on tho the south side ot of the Gila river and ad two on the north side siJe s were traced In the thc sur- sur surey surey sur survey vey ey The They y Indicate that a a large population was as sustained Artifacts uncovered lead to the that the people were wore a peaceful In- In In Industrious group of ot farmers |