Show i SlAB OF hF ROCK PROVES PERfECT MINE CHART WALLACE Idaho Aug 2 A A slab of rock about two feet wide six or eight inches thick and nearly six feet long I was taken out of the National nine mine a afew afew afew few days ago which Is a perfect demonstration demonstration demonstration dem dem- chart on mining Superintendent Superintendent Superintendent R. R R. R Catching has offered the slab to the school of mines of the University University Uni Uni- of Idaho at Moscow and expects to receive word from the school any day accepting the stone The slab Blab broke from irom the vein with a perfectly smooth face and Is shot through gh with miniature veins and fissures duplicating duplicating duplicating cating on a a. small scale the way veins and fissures Intersect a a. mountain A study of the face of this slab makes It plain even to a aa layman how it is possible by means of crosscuts and other means of exploration to uncover new ore bodies In a property and It II 1 should prove a valuable addition to the school |