Image: Hermann.shaft
Hermann.shaft.jpg (527 × 541 pixels, file size: 39 KB, MIME type: image/jpeg)
Description: Diagram of the Herman mine shaft at Sulphur Bank Mine in 1902.
Title: Hermann.shaft
Credit: https://archive.org/details/quicksilverresou00forsrich PAGE67
Author: Forstner, "Quicksilver Resources in California" Ca State Mining Bureau 1903
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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