GERMANS EXPLODE MINE; CANADIANS ORGANIZE CRATER MONTREAL, March 24. An official dispatch received here today from Ca-nadiau Ca-nadiau ajmy headquarters in .France, reads: The enemy varied his activity on tho Canadian front this morning by exploding a mine which formed a considerable crater in this already al-ready mui-h churned region. Our men proceeded immediately to organize or-ganize the crater. (Since then there has been increasing gunfire. Our losses in raids and ottvr Finall all'air.s of the last two weeks have been notably linjit and tho health of the truopa is excellent. The battalions which come out for rest are almost as fit as those going go-ing in.