Show MAKING PROGRESS IN MINE SAFETY RESEARCH george S rice chief il mining lining engineer of the united states tates bureau of mines has returned from an official trip to 0 england france belgium and germany undertaken to 0 urther further the program of mine safety research being con dated acted operatively cooperatively with the british government and to erve the mine safety methods being studied in the gov cental testing laboratories of the countries named unanimity th of opinion in the various E european european countries that a the only practical way of com batting the bituminous coal a dust aline ne explosion hazard is by the rock dusting tl thod d was ruhr district in noted by mr rice in the Gert nie tta nallY a coal mine has been converted into an all expert tons tion a nine for the conducting conduct mg of mine safety so that the experimental mine of the bureau of mines mines at pa is no longer the only y mine ame mme in m the world ted exclusively delusively to scientific researches government officials of the different countries unofficially indicated their willingness to cooperate in every way feasible with the united states bureau of mines in the matter of mine safety research outstanding instances of low cost mining methods are found in the production of brown coal in germany by huge machines according to mr rice whose object was in part to observe new types of mining machines and new methods of mining with reference to economy in production at one brown coal plant in the cologne district tons of coal is taken to the plant from adjacent open pits in ill twenty four hours in addition to the removal of a large volume of overlaying earth and rock |