Show transmitting electricity helena mont feb lo 10 the largest and longest transmission of electricity in the world has just been completed by the missouri river power company transmitting power from its dam and plant at the missouri river to butte the length of this line is sixty five miles crossing the main range of the rocky mountains at an altitude of eject and a spur of the main range at almost an equal height this power line conveys horse power which ii all the power available at the dam at present although the installation of the transmission plant la intended to convey double that quantity when the additional dam contemplated tem plated by the company for which a Bite haa been selected is completed the transmission line consists of two complete lines on parallel poles of three large cables each |