Analysis of accidents related to falls of ground in metal and nonmetal mines, 1972-73
By: By E. D. Seals and R. A. Speirer
Contributors: Speirer, R. A., joint author; United States. Mining Enforcement and Safety Administration
Series: Informational report -- 1009; Informational report (United States. Mining Enforcement and Safety Administration) -- IR1009
Publisher: Mining Enforcement and Safety Administration
Published: 1975
Place of publication: [Washington]
Language: eng
Subjects: Mine subsidences; Mine safety