Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Bell_pit_in_mining.png
Captions
A bell pit is a primitive method of mining coal, iron ore, or other minerals lying near the surface.
Items portrayed in this file
depicts
bell pit
mining
mine
mine shaft
media type
image/png
checksum
4fa233f7baa55c81f517e13f7e0a30bff15fae02
determination method or standard: SHA-1
data size
438,958 byte
height
319 pixel
width
658 pixel
File history
Click on a date/time to view the file as it appeared at that time.
Uploaded a work by Gresley, William Stukeley from A glossary of terms used in coal mining by Gresley, William Stukeley Page 17, Fig 13 https://archive.org/details/glossaryoftermsu00gresrich/page/16/mode/2up with UploadWizard