Union Mine, Comstock Lode, Virginia City, Comstock Mining District, Storey County, Nevada, USA
Silver with black acanthite on quartz.
© Frank Karasti
I would venture a guess that this is the foundation that once held the massive Cornish pump that served this mine. The bolts are approximately 3.5 inches in diameter. September 8 2020 photo.
The back side of the massive Union mine dump. October 16 2021 photo, looking south. Taken from the Sierra Nevada mine dump.
A small part of the massive Mine dump. I wondered how many ore cart loads are in this dump. September 8 2022 photo.