| # | County | State | # in County | Date Completed |
| 12 | Boulder | CO | 87 | 2023-01-28 |
| 11 | Ouray | CO | 72 | 2022-10-06 |
| 10 | Hancock | IA | 1 | 2015-07-23 |
| 9 | Carroll | IA | 1 | 2015-07-22 |
| 8 | Los Alamos | NM | 2 | 2012-05-19 |
| 7 | Gilpin | CO | 22 | 2006-07-29 |
| 6 | Price | WI | 1 | 2006-06-09 |
| 5 | Clear Creek | CO | 66 | 2005-09-16 |
| 4 | Fitiuta | AS | 1 | 2005-06-19 |
| 3 | Wayne | IN | 1 | 0000-00-00 |
| 2 | Prowers | CO | 1 | 0000-00-00 |
| 1 | Logan | OH | 1 | 0000-00-00 |