Accession Number : ADA955484

Title :   The Development of a Continuous Drill and Blast Tunneling Concept. Phase 2.

Descriptive Note : Final rept. 13 Apr 73-14 Feb 74,

Corporate Author : RAPIDEX INC WALTHAM MA

Personal Author(s) : Peterson, Carl R.

Report Date : MAY 1974

Pagination or Media Count : 82

Descriptors :   *EXCAVATION, *TUNNELING, DRILLING MACHINES, EXPLOSIVES.

Subject Categories : Construction Equipment, Materials & Supplies

Distribution Statement : APPROVED FOR PUBLIC RELEASE