Show Hopeful of the Slmwmut John Swcnson who has been identified identi-fied Will time active development of the Shawmut companys Blngham properties proper-ties ever since their exploitation as the Cuba came in from thc companys camp yesterday and says there Is no longer a partlclo of doubt concerning its utlmate productiveness lie estimates esti-mates conservatively that there are now no less than 200000 tons exposed and ready for thc new mill for which the framework Is now completed and for which the structural matwlal should begin to arrive in a short time Mr Svanson who has devoted u lifetime to the diggings is very enthusiastic over the property |