Mining Incidents

MARKLAND PIT Metal/Non-Metal

Acme Brick Company · Surface
Controlled by Berkshire Hathaway Inc
Oklahoma City, Oklahoma County, OK  ·  Abandoned
MSHA Mine ID: 3400120

MSHA record for MARKLAND PIT (mine ID 3400120). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Inspection activity
MSHA inspections since 2001
3
inspections on record
10
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 10 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Ownership history
  1. Oklahoma Brick & Block Corp 1950 to 1986
  2. Henderson Brick 1986 to 1996
  3. Acme Brick Company 1996 to 2001
  4. Acme Brick Company 2001 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2003 0
2002 1
2001 0
2000 2
Source: MSHA quarterly employment and production, updated weekly.

MARKLAND PIT sits in Oklahoma County, Oklahoma, where the Census mining category is 1.9% 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.
Oklahoma County, Oklahoma · Population 800,487
1.9%
Mining share of county employment
$65,374
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2003 Q1 0 0 0
2002 Q4 0 0 0
2002 Q3 0 0 0
2002 Q2 0 0 0
2002 Q1 4,070 0 0 0.0
2001 Q4 0 0 0
2000 Q4 3 0 0 0.0
2000 Q3 2,300 0 0 0.0
Show 2 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2000 Q2 1 0 0 0.0
2000 Q1 1 0 0 0.0

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.