Photo View Postcard. Multi. Cardstock. This mat card is titled, "30. Drilling With Compressed Air. Homestake Min, Lead, S. D." Copyright 1912 W. B. Perkins. It shows two miners and drill. Sold by L. B. Hollister, Importer and Jobber, Lead, S. D. with logo. C. T. American Art Colored with logo. Unused.
Instruments and Implements