Loading
  • 21 Aug, 2019

  • By, Wikipedia

File:DeQuille 137 Timbering The Mines.jpg

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

239,926 byte

853 pixel

577 pixel

image/jpeg

b8e2dd009aadb4302cbcdf8fa015decea4c79bcf

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current18:33, 1 December 2011Thumbnail for version as of 18:33, 1 December 2011577 × 853 (234 KB)Tillman{{Information |Description ={{en|1=Square-set timbering as used in the Comstock mines, 1877. This method of timbering was invented by Philip Deidesheimer. }} |Source =http://www.nevadaobserver.com/Reading%20Room%20Documents/DeQuille%20The%20Big
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file: