Date: | 1900 |
---|---|
Description: | Interior of a lead mine showing two miners kneeling with candles in their hands. |
Date: | 1930 |
---|---|
Description: | View inside a lead mine showing six miners with a car on a track. |
Date: | 1950 |
---|---|
Description: | Students from Platteville, Wisconsin tour a mine to see how lead is extracted. |
Date: | 1939 |
---|---|
Description: | International PA-100 power unit operating a Pomona water pump in a lead and zinc mine. A box labeled "dynamite" is in the foreground. |
If you didn't find the material you searched for, our Library Reference Staff can help.
Call our reference desk at 608-264-6535 or email us at: