A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Work of blasting out 7 1/2 mi of new highway in northeastern Minnesota; excavation of 500,000 cu yd of rock, and 500,000 cu yd of earth; earth excavation was sooty, black, pastelike material, probably glacial drift; difficult drilling due to great variety of rock types, drilling and blasting techniques, and explosives used.
Work of blasting out 7 1/2 mi of new highway in northeastern Minnesota; excavation of 500,000 cu yd of rock, and 500,000 cu yd of earth; earth excavation was sooty, black, pastelike material, probably glacial drift; difficult drilling due to great variety of rock types, drilling and blasting techniques, and explosives used.
New northwest passage
Explosives Engr
Houck, L.H. (author)
Explosives Engineer ; 38
1960
9 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Online Contents | 1998
| Engineering Index Backfile | 1943
The Northwest Passage: A simulation
| Online Contents | 2009
The Northwest Passage: A simulation
| Online Contents | 2009
Safe passage for fish in US northwest
Online Contents | 1994