Show Utah Utah Yields Rare Fossils Washington Washington- Washington Fossil Fossil deposits of the earliest known l life on au earth- earth 1 b back ck between ono one ad two billions bil bil- bil 1 lions of years furnished the material for lor field work vork In Utah and Montana I from which Dr Charles K E. lesser nesser inti I Erwin It n. Pohl Smithsonian paleontologists pal pal- have Va Just returned These I fossils are found In the Cambrian I rocks The consist of ot trilobites j j a a crustacean line which became became- became ex extinct ex- ex about the time the coal measures I were ere deposited Their closest modern relative Is the shrimps brine those shrimps those eurous creatures co abundant in the Great Greot Salt Lake and ond In the Death Dead sea t A billion hillion and a halt half years a ago o these trilobites were ware the dominant life lite in the theCa en Ca en there being so far ar as is known I no land lind animals Up to tho the pre present I line irne about 2000 different kinds of them themire themI ire ue known from the time Cambrian alo alone I |