Excavation permit systems and safety practices when excavating in the vicinity of hazardous pipelines
Subtitle: hearing of October 23, 1978, California Museum of Science and Industry, Muses Room, Space Building, 700 State Drive, Exposition Park, Los Angeles, California
By: Labor, Employment, and Consumer Affairs, Subcommittee on Industrial Safety.
Publisher: California State Assembly
Published: 1978
Place of publication: [Sacramento]
Language: eng
Number of pages: 58
Subjects: Excavation -- Safety measures.; Pipelines -- California -- Safety measures.
Notes: Cover title.
"no. 716."