Union Rock & Materials Corp Tonto Creek Metal/Non-Metal
Union Rock & Materials Corp
· Facility
Controlled by
Peter Kiewit Sons' Inc
Gila County,
AZ
·
Abandoned
MSHA Mine ID: 0202237
Union Rock & Materials Corp Tonto Creek has no reportable incidents on file with MSHA.
Watch this mine
Email me when a new MSHA incident is filed at Union Rock & Materials Corp Tonto Creek.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Ownership history
- Baseline Materials & Custom Crushing 1985 to 1988
- Salt River Sand & Rock 1988 to 1989
- Union Rock & Materials Corp 1989 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 1989 | 0 |
| 1988 | 4 |
| 1987 | 7 |
| 1986 | 13 |
| 1985 | 14 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Union Rock & Materials Corp Tonto Creek sits in Gila County, Arizona, where the Census mining category is 5.8% of county employment.
Local economic context
ⓘ
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.Gila County, Arizona · Population 53,610
5.8%
Mining share of county employment
$59,089
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.