Drilling contest were popular Author R.G. Willson Article Date May 28, 1972 Language English Journal Title Arizona Page Number(s) 48-49 Subject Headings BORING Object type Article Rights Submit a duplications request to Special Collections for this material: https://speccoll.library.arizona.edu/duplications
Brawny men and true steel; the story of hard-rock drilling, the desertland's forgotten sport Author L. Ninnis Article Date August 1961 Language English Journal Title Desert Journal Volume 24 Page Number(s) 14-27 Subject Headings BORING Object type Article Rights Submit a duplications request to Special Collections for this material: https://speccoll.library.arizona.edu/duplications
