Show the onyx of arizona there are now on exhibition at institute of building arts about pec imena of onyx from the recently lis covered deposits in arizona until the discovery of the arizona quarries ald only source of supply of this stone was in the la fedrara mines in the state of eucla in old mexico specimens from the arizona deposit show that the stone can be obtained in this country in a size suitable for architectural purposes and of the finest quality while the mexican deposit was only three acres in esuna originally and is now practically ew the arizona quarries cover about boo acres the specimens on exhibition show infinite variety in color and take the highest polish the exhibit consists of thirty odd slabs about one inch and varying from four to twelve square feet in area the arizona deposits are located about twenty seven miles southwest of prescott and a branch railroad has already been projected chicago times |