1911 ~ July 19
Name of Mine: Plumbago
Location of Mine: Alleghany, CA.
Cause of Disaster: Missed hole
Killed and Injured: K-2 / I-0
1922 ~ May 4
Name of Mine: Tightner
Location of Mine: Alleghany, CA.
Cause of Disaster: Caught between skip and shaft timbers
Killed and Injured: K-1 / I-0
1929 ~ Sept. 22
Name of Mine: Original Sixteen to One
Location of Mine: Alleghany, CA.
Cause of Disaster: Impaled riding skip with drill steel.
Killed and Injured: K-1 / I-0
1929 ~ Nov. 6
Name of Mine: Original Sixteen to One
Location of Mine: Alleghany, CA.
Cause of Disaster: Killed in blasting accident.
Killed and Injured: K-1 / I-0
1934 ~ Oct. 24
Name of Mine: Rainbow
Location of Mine: Alleghany, CA.
Cause of Disaster: Killed by powder gas
Killed and Injured: K-1 / I-0
1936 ~ Jan. 11
Name of Mine: Original Sixteen to One
Location of Mine: Alleghany, CA.
Cause of Disaster: Fell down shaft
Killed and Injured: K-1 / I-0
1936 ~ July 15
Name of Mine: Original Sixteen to One
Location of Mine: Alleghany, CA.
Cause of Disaster: Struck by falling rocks
Killed and Injured: K-1 / I-0