Shotcrete practice in underground construction

Title:

Author:

Mahar, James William.

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Publication Information:

Springfield, Va. : National Technical Information Service, 1975.

Physical Description:

502 p. in various pagings : ill. ; 28 cm.

General Note:

Final report.

"FRA-OR&D 75-90."

Sponsored by the Federal Railroad Admininstration, Department of Transportation through Contract No. DOT FR 30022.

Includes appendices.

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