| Name | Year | Job Title | Employer | |
|---|---|---|---|---|
| Ralph K Raper | 2011 | Waste Water Treatment System Operator | Nevada County | View Salary & Details |
| Ralph Raper | 2016 | Treatment Plant Operator | Grass Valley | View Salary & Details |
| Ralph Raper | 2019 | Treatment Plant Operator | Grass Valley | View Salary & Details |
| Ralph Raper | 2014 | Maintenance Worker | Grass Valley | View Salary & Details |
| Ralph Raper | 2021 | Treatment Plant Operator | Grass Valley | View Salary & Details |
| Ralph Raper | 2012 | Maintenance Assistant | Grass Valley | View Salary & Details |
| Ralph Raper | 2015 | Treatment Plant Operator | Grass Valley | View Salary & Details |
| Ralph Raper | 2018 | Treatment Plant Operator | Grass Valley | View Salary & Details |
| Ralph Raper | 2013 | Maintenance Worker | Grass Valley | View Salary & Details |
| Raper Ralph | 2020 | Treatment Plant Operator | Grass Valley | View Salary & Details |
