ROOSEVELT ACTS TO HALT STRIKE WASHINGTON Sept 14 H UP A Through Edward F. F McGrady as assistant assistant assistant as- as secretary of labor President President resl- resl dent Roosevelt today tried fried to stop the threatened soft coal strike by byg g giving his approval to the Uni United ed Mine Workers' Workers proposal for jor a 15 15 1 da day extension of present wages and hours with any agreement to be retroactive McGrady strode into tho the Appala Appalachian Appal Appal- a ni n joint wage conference and cut off strike speeches by union leaders The conference was at a stands standstill standstill stand stand- s still in negotiations toward a new contract to succeed the agreement nt expiring Sunday midnight Surely to God were we're not going to allow this industrial wa warfare fare to take place e because be auAe of a retroactive clause M McGrady G ady roared He told the conference that he had spent most of yesterday with Mr Roosevelt at Hyde Park N. N Y going over the tho ind industrial str al situa situation on After McGrady l left ft Philip Mur Mur- ray union vice president offered a motion that a day 15 extension with witha a retroactive clause be bo approved T The e conference recessed for a few minutes after Murrays Murray's motion was Wa offered offered to allow the operators time timeto to consider it When the conference started Murr Murray Murray Mur Mur- r ray y offered new terms for an agreement agree agree- anent ment i 4 A hour 35 work week a 50 cent ent increase in the day rate a 10 cent increase In rates 15 perc per percent percent c cent nt increase in yardage and bed bed- woj-k woj and a year one contract to ex expire pire next September 16 The operators operators operators op op- op- op shouted their disapproval