Quarry Accidents in the United States During the Calendar Year 1941 Page: 1
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QUARRY ACCIDENTS IN THE UNITED STATES DURING THE
CALENDAR YEAR 19411
By WILLIAM W. ADAMS 2 AND VIRGINIA E. WRENN
A general increase in employment prevailed in the stone-quarrying
industry of the United States during 1941 compared with 1940. Like-
wise, more accidents occurred to men working in and about the quar-
ries, with the result that the accident-frequency rate for the industry
as a whole was higher in 1941 than in the previous year.
Reports from operating companies to the Bureau of Mines, covering
open and underground quarries, as well as rock-crushing and rock-
dressing plants, cement mills, and limekilns at or near the quarries,
showed a total of 86,123 men employed and a total of more than 22
million man-days of labor performed during 1941. The total working
time of the industry averaged 260 days per man. Measured in man-
hours, the volume of work equaled 173 million, an average of 2,011
man-hours per employee.
- Accidents arising out of and in the course of the employment of the
workers resulted in 6,946 lost-time or disabling injuries to the men;
76 injuries were fatal. These figures represent a fatality rate of 0.44
and a non-fatal-injury rate of 39.67 per million man-hours of employ-
ment or of exposure to occupational hazards. Comparable figures for
the previous year were 0.49 for fatal accidents and 35.23 for nonfatal
Pennsylvania led in number of employees; about one-sixth of the
total number of men in the entire industry worked in the Keystone
State. Ohio ranked second with 6,319 employees, somewhat less than
half as many as Pennsylvania. Among States having at least 1,000
employees, 5 had no fatal accidents during the year. Among the same
list of States, the lowest non-fatal-injury rate was that of Michigan,
with an injury rate of 11.11, compared with an average rate of 39.67
for the United States. Following Michigan in order of merit, based
upon their non-fatal-injury rates, came Iowa, Ohio, Georgia, New
York, and Pennsylvania. (See tables 1 to 3.)
The number of employees at quarries and related plants in the
United States during 1941 has not been equaled or exceeded since
1928. The number of man-hours worked exceeded that of any other
year since 1930.
The leading causes of fatal accidents inside the opei quarries were
explosives, falls of persons, falls or slides of rock or overburden, and
haulage; the leading causes of nonfatal injuries were handling ma-
terials, flying objects, falls of persons, and falls or slides of rock or
SWork on manuscript completed February 1943. Gertrude W. Sherman assisted in the preparation
of the statistical tables herein presented.
Supervising statistician, employment statistics section, Bureau of Mines.
3 Employment statistics section, Bureau of Mines.
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Adams, William W. & Wrenn, Virginia E. Quarry Accidents in the United States During the Calendar Year 1941, report, 1943; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12612/m1/3/: accessed March 18, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.