Show NEW stal OF A new lapof map 01 ol virginia on a scale jf f showing the location r the pov power r stations nna ana ton lon used in public service anil and ue tie names lines ot of the public utility com inies his has lust just been published by he united states geological survey Liepart ment of the interior I 1 this thi s map la is one of the series ot of state power maps now being published d by the geological survey maps ave already been completed ot of new york pennsylvania massa hu ausetts rhode island maryland aryland il delaware district of co lumbia vermont new hampshire ind now new jersey ana maps ol of indiana maine and west virginia are neing icing prepared tor for publication the naps imps that are available for distribution may be purchases sear from the director of the united states stales geological at burvy for 50 cents a copy these maps will be valuable to those who are interested in the in ili fc cr connection of power plants to hose who wish to establish manufacturing plants within reaca or electrical power to municipalities contemplating tem em plating the use of tor for ight and power and to to municipal ties considering ithe the feasibility i ot lot purchasing electricity instead of reconstructing e an old or obsolete municipal plant the geological survey recently made a special investigation of the possible economy of ful ul labor and materials resulting from the use in the doston boston washing ton industrial region or of a comprehensive system tor for the generation and distribution 0 of electricity to transportation lines and industries the report of this investigation was published as Profess professional zonal paper A superpower system tor for the region between boston and washington this investigation show yd ed conclusively that plants of horsepower or less can economically purchase energy instead of generating it as it was found that small plants consumed from pounds 0 of coal per kilowatt hour while the large plants consumed but pounds per kilowatt hour the variation in the cost of maintenance labor and supplies was even more marked the ratio being about 41 against the small plants |