Page 191 - The Geology and Ore Deposits of Sierra County, New Mexico - Bulletin 10

188 GEOLOGY AND ORE DEPOSITS OF SIERRA CO., N. M.
bottom of which Fusselman limestone breccia is doubtfully re- ported. This drill hole was apparently not well located, because the Anniversary-Bulldog vein flattens in dip to the west as depth is attained, so that without a crosscut to the west into the hang- ing wall, a vertical drill hole, such as was reported put down here, would be farther in the footwall at its bottom, 700-800 feet below the collar of the shaft, than is any other prospect opening in the mine. (See sketch cross-section of figure 15.)
Water was standing in the Old Dude and Anniversary shaft at the time the property was visited, and the underground work-
ings were not inspected. It was estimated that the water was standing at an elevation 60 feet below the collar of the Anni- versary shaft. Mr. Miller stated that when the mine is un- watered and working, 50 - 65 60 gallons per minute must be pumped. This amount is ample to supply a small mill of 50 tons daily capacity or less, but it might diminish with continued pumping.
About 1,200 feet northeast of the main Anniversary shaft, an old shaft 300 to 400 feet deep was sunk in early days on a vein which is near the Bulldog-Anniversary vein and which strikes N. 15° E. The shaft timbers were caved so that entrance could not be effected, but the dump indicates that the workings are in slightly mineralized brecciated andesite adjacent to a latite dike.