New York Paper - Tombstone and Its Mines

In a former paper read at the Washington meeting of the Institute, February, 1881,' I presented a general view of the geology and veins of Tombstone as then developed. Considerable additions have been made to our knowledge of the oredeposits since that date, nearly all the mines having been worked down to the general wster-level of the district. This water was a bar to further progress in depth and costly pumps were erected at the Grand Central mine and at the Contention. By the united action of these pumps the water was gradually lowered, not only in these two mines, but in all the important mines of the district. Pending a consolidation of interests, or an equitable distribution of the cost of unwatering, both pumping-plants were destroyed by fire, and the mines were closed