Tunneling
Subtitle: underground construction.
Contributors: Oregon. Occupational Safety and Health Division.
Publisher: Dept. of Consumer & Business Services, Oregon Occupational Safety & Health Division
Published: 1996
Place of publication: [Salem, Or.]
Language: eng
Number of pages: 12
Subjects: Tunneling -- Safety measures.; Tunneling -- Safety regulations -- Oregon.
Other titles: Underground construction.
Notes: Title from cover.

"(4/96)"--Back cover.