Exxon ConfirmsLodeMay Mean Jobs for 700Exxon Co ISA confirmed Tuesday that its ore discovery in Forest Countv near Craftdon is in factEfl *■•2among the largest known fine and copper deposits in North America State Geologist Meredith Ostrom said from the announced results Exxon s explorations could uncover one of the five largest deposits of fine and copper m the world.Exxon officials said today the discovery could mean that more than 700 persons would he employed in mining operations at the site The company said 22 of 24 drill holes have intersected the deposit The deposit could include about 00 million tons of ore from 200 feet below the surface to a maximum depth of 1.675 feet Exploratory drilling is expected to continuethrough 1977. with Exxon officials mmmg a I960 date on completion of design studies for the mine Mining itself would probably not occur until 1984 atthe earliestFeasibility studies environmental studies public bearings and filing of an environmental impact report all will be necessary before any ore can be mined, William Brooks, public affairs official for Exxon said todayExxon now has leases or owns more than 4.900 acres of land in Forest County, all of it on private land Company officials admitted they are interested in obtaining leases to state lands m the area.J Paul Tidewell, general manager of Exxon t SA s Minerals Department said studies and assessmefit of potential social, economic and environmental impacts of mining would begin soon Tidewell said Exxon plans to work closely with state county and local governments to insure sound planning and coordination at everv step of develop*The company has scheduled a public hearing at the Craadon grade school Sept 14 and has invited all interested persons to attend A Crandon busines «men i organization is coordinating the meeting, Exxon officials said todav An open pit mine probably would be dug first, and once enlarging the pit becomes economically m-feasible, shafts probably would be sunk or ex tended horimlafty to obtain more ore, OstromVsaid