Show TRI-STATE TRI MINERS' MINERS CONVENTION OPENS WATTSVILLE Pa Ia May 2 Several Several Hundred delegates were in at the opening here today of or the tri tri- district convention of the United Mine workers of or America which it was generally expected would ratify the tent tentative tentative vo agreement reached yesterday esterdaY by the Joint committee of anthracite operators and miners in New York Ono of or tho tho f concessions granted the themEn themen themen men the hour eight-hour day was put into effect at practically all th the collieries throughout the hard coal region today at the request o of the miners and this was taken as an indication that the agreement will be no approved |