THE FREEZING PROCESS IN SHAFT SINKING as applied at the Chapin Mine, Mich., by the PŒTSCH-SOOYSMITH FREEZING COMPY
THE FREEZING PROCESS IN SHAFT SINKING as applied at the Chapin Mine, Mich., by the PŒTSCH-SOOYSMITH FREEZING COMPY
Use your Papers Past website account to correct newspaper text.
By creating and using this account you agree to our terms of use.
If you’ve used a RealMe login somewhere else, you can use it here too. If you don’t already have a username and password, just click Log in and you can choose to create one.
Log in