Technology Lasl subterrence program rapid excavation by rock melting, 1976, 89p

1.. .... : . * , .*.,...3&.*. . ,: ..II 4-5979-SRdO p UC-3 and UC-66c775 Issued: February 1977Rapid Excavation by Rock Melting== LASL Subterrene Program -=September 1973-…

Documents Thermal Stress Fracturing Penetrators

. ' .3& ' .*. .,.. I . .... : . * , * '. , : .. I 4-5979-SRdO UC-3 and UC-66c p 775 Issued: February 1977 Rapid Excavation by Rock Melting == LASL Subterrene…