Show Utah Man Leader Of Expedition In Mexico W WASHINGTON July Juh 12 Gao Oeo los Geo logical studies to fix moro more deft deft- the th period of ot tho the earliest American will bo be made by N H Da ton geologist who left Washington Friday to Join the National Geographic G society ex now exploring an an- an an ancient dent clont temple lempio In the tho Valley of Mexico near Lake LakA The ruIns are ar tho tb oldest so 10 o far tar dis- dis dr covered In the tho Americas and are areo ro of o the tho th period of o civilization which flourished on this continent some seven even thousand years year ao aio or a thousand yea year before the tho th build build- buildIng ln log Ing of tho tha Pyramid p Byron Cummings formerly of the tho University of o Utah head hond ot of the tho expedition was wa said ald ald III already ready to have hav reported remarkable finds In the tho th lava encased rubs ranging from pottery Imn images end and tur turo to parts parti of ot human man skeletons |