A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Grading the chinook pass Scenic Highway, Washington
Results of detailed study made by Bureau of Public Roads of drilling and blasting operations on contract for 15.6 mi. between Morse and Crystal Creeks; vertical or down-hole drilling; coyote hole construction and blasting; power-shovel operation; stop-watch studies of drilling operations; summary of 1 1/4 yd. shovel operations and delays.
Grading the chinook pass Scenic Highway, Washington
Results of detailed study made by Bureau of Public Roads of drilling and blasting operations on contract for 15.6 mi. between Morse and Crystal Creeks; vertical or down-hole drilling; coyote hole construction and blasting; power-shovel operation; stop-watch studies of drilling operations; summary of 1 1/4 yd. shovel operations and delays.
Grading the chinook pass Scenic Highway, Washington
West. Construction News
Edwards, R.W. (author) / James, N.L. (author)
1931
6 pages
7 Figs.
Article (Journal)
English
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