Metal-Mine Accidents in the United States During the Calendar Year 1927 Page: IV
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CONTENTS
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11. Copper mines: Men employed and days worked, by States, during
the year ended December 31, 1927_ -__---- .---- .---.--17
12. Copper mines: Number of 300-day workers and number killed and
injured during the year ended December 31, 1927--------------- 17
13. Gold, silver, and miscellaneous metal mines: Men employed and
days worked, by States, during the year ended December 31, 1927__ 19
14. Gold, silver, and miscellaneous metal mines: Number of 300-day
workers and number killed and injured during the year ended De-
cember 31, 1927-- ------ ------_____-----20
15. Iron mines: Men employed and days worked, by States, during the
year ended December 31, 1927_ ---------__ __--------22
16. Iron mines: Number of 300-day workers and number killed and in-
jured during the year ended December 31, 1927----------------- 22
17. Lead and zinc mines (Mississippi Valley): Men employed and days
worked, by States, during the year ended December 31, 1927 ---- 24
18. Lead and zinc mines (Mississippi Valley): Number of 300-day workers
and number killed and injured during the year ended December 31,
1927 ----------------------------------------------------24
19. Nonmetallic mineral mines: Men employed and days worked, by
States, during the year ended December 31, 1927- ----- 27
20. Nonmetallic mineral mines: Number of 300-day workers and number
killed and injured during the year ended December 31, 1927--- ...--- 27
21. All mines: Fatalities and injuries, by causes and kinds of mines,
during the year ended December 31, 1927---------------------- 28
22. All mines: Percentages of fatalities and injuries, by causes and kinds
of mines, during the years ended December 31, 1927 and 1926- .. 32
23. All mines: Accidents, by States and nature of injury, during the year
ended December 31, 1927 ---------------------------------- 34
24. All mines: Accidents, by causes and nature of injury, during the year
ended December 31, 1927_----- --- ----------------35
25. All mines: Severity of accidents, by causes, 1923-1927, showing per-
centage of accidents in each class--_- --- --36
26. All mines: Labor and accident data, classified by severity of injuries,
during the year ended December 31, 1927---------------------- 37
27. Labor and accident data, classified by length of shift, during the years
ended December 31, 1927 and 1926 (underground and shaft only)__ 39
28. Fatalities and injuries per million hours of exposure, classified by
length of shift, during the years ended December 31, 1925, 1926, and
1927 (underground and shaft only)-- ----___------- 40
29. Accident rates per thousand 300-day workers, based on size of opera-
tions underground, for the years ended December 31, 1927 and 1926_ 41
30. Men employed and number killed and injured per thousand 300-day
workers in mines employing 1 to 4 men and those employing 5 to 9
(underground only) men during the years 1922 to 1927 ------------ 42
31. Accident data based on average number of days mines were operated
* (underground and shaft only) during the year ended December 31,
1927_------ - --------------__ _------------42
32. Summary of metal-mine accident data, grouped by mining methods,
during the year ended December 31, 1927, for selected companies _ _ 44
33. Fatalities, classified by principal causes and mining methods, during
the years ended December 31, 1927 and 1926, for selected companies. 45
34. Injuries, classified by principal causes and mining methods, during the
years ended December 31, 1927 and 1926, for selected companies.... 46IV
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Adams, William W. Metal-Mine Accidents in the United States During the Calendar Year 1927, report, 1929; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12482/m1/4/?q=%22safety%20practices%22: accessed May 1, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.