Personnel records of employment from 1900-1919. Records from the Utah Copper Company are handwritten and contain the following employee information: name, date employed, address, dependents, age, weight, height, eyes, hair, gender, nationality, engaged by, last employer, education, occupation, department, pay rate, date leaving employment, and reason for leaving.
| Title | Nationality | Date Employed | ||
|---|---|---|---|---|
| 76 |
 | Bills, Jolen | American [United States] | 1909-04-23 |
| 77 |
 | Billstrom, Gus A. | American [United States] | 1910-03-02 |
| 78 |
 | Birk, Albert | Am [United States] | 1916-09-28 |
| 79 |
 | Bisinles, Peter K. | Greek [Greece] | 1918-08-09 |
| 80 |
 | Bitner, H.R. | American [United States] | 1909-10-02 |
| 81 |
 | Bitner, J.H. | 1910-03-21 | |
| 82 |
 | Blackwell, F.M. | American [United States] | 1910-05-19 |
| 83 |
 | Blasakis, Andr | Greek [Greece] | 1912-07-12 |
| 84 |
 | Blom, Emil | Swede-Finn [Sweden; Finland] | 1918-09-19 |
| 85 |
 | Blumberg, A.E. | Am. [United States] | 1909-02-24 |
| 86 |
 | Boccalero, Mike | Italian [Italy] | 1913-07-01 |
| 87 |
 | Bodrosian, Bakdin | Armenian [Armenia] | 1917-11-08 |
| 88 |
 | Bogdan, Mike | Austrian [Austria] | 1911-05-03 |
| 89 |
 | Bogdanoff, Mike | Bulgarian [Bulgaria] | 1911-05-26 |
| 90 |
 | Bohnet, F. | German [Germany] | 1910-05-19 |
| 91 |
 | Bokas, Henry | Greek [Greece] | 1916-05-01 |
| 92 |
 | Bombena, Carl | Am. [United States] | 1909-04-03 |
| 93 |
 | Booth, E.T. | American [United States] | 1914-02-12 |
| 94 |
 | Borer, Gilbert | American [United States] | 1908-04-17 |
| 95 |
 | Boukas, Chris | Greek [Greece] | 1906-08-01 |
| 96 |
 | Bouley, B.L. | American [United States] | 1912-03-17 |
| 97 |
 | Bourden, A.L. | Amer [United States] | 1918-10-04 |
| 98 |
 | Bouzunis, John | Greek [Greece] | 1917-04-11 |
| 99 |
 | Boyle, Andry | Amer [United States] | 1911-01-31 |
| 100 |
 | Bozaga, Pedro | Spanish [Spain] | 1917-11-04 |