Show SEVEN TROUGHS development A report issued early in the month regarding the property of the seven troughs coalition mining company L A friedman manager located at seven troughs nevada says the main drift has now advanced forty five feet the vein in the face of the drift is five feet wide A was started at a point approximately twenty feet from where the ore was first encountered which has now been advanced twenty five feet the vein in the face of the is twelve feet wide A lia haa also been started from the main drift which is down approximately fifteen feet the vein in the bottom varying in width from three to five feet from these three working places we are extracting and milling between thirty and forty tons of ore at the present time however as work progresses more ore will be available |