Show IRON FROM THE DEEP damom nine mine in quebec beneath the th watty waters of luc lac a LA tortue lake ores are abundant in northern europe but so far as the writers knowledge extends luc a la tortue and a neighboring lake are the only instances ot of the kind in north america says popular science monthly the ore Is extracted from our lake mine by hand and by power the shallow margin Is divided into sections and allotted to suitable parties who may desire to work them and who are paid at a specified rate per ton of ore raised the men generally work in company their implements are a shovel a strong circular sieve and a rough when work Is to begun the workmen remove shoes and stockings and use their feet in searching for ore which lies Im bedded in the soft sand except ore cakes being found in the ladt guided by their feet the workmen put down clown their shovels and bring to the surface a quantity of ore and sand which they throw into their circular sieve this Is then held below the surface of the water until the soft sand Is washed away from the ore which Is then thrown on a scow provided tor for the purpose or carried to shore when a sufficient quantity has been collet collected ted it la Is carried to the railway near it t hand and loaded on oil cars from the deeper parts ot of the lake the ore Is raised by means of a steam dredge the captain of the dredge moves over the lake and putting down a pole and working it about on the bottom can easily learn where there Is a body ot of ore suitable tor for dredging the dredge Is then removed to the desired spot and work Is begun the ore and sand are brought up in buckets on an endless chain and thrown into a long revolving screen adjusted and inclined so as to deliver it upon scows moored to the dredge in its course down the screen the mixture ot of ore and rand mud Is acted upon by the water which la Is th thrown rown upon it with considerable force by this means the mud and sand are washed out of 0 the screen and the clean ore Is deposited on the scows |