A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
America's greatest travel barrier is again bridged
Design of arch span bridging Grand Canyon of Colorado at Lee's Ferry; three-hinged deck arch, with span of 616 ft. and rise of 90 ft.; excavations; steel hauling; erection; final adjustments. (see also Professional Engr., vol. 14, no. 1, Jan. 1929, pp. 8-9, 1 fig)
America's greatest travel barrier is again bridged
Design of arch span bridging Grand Canyon of Colorado at Lee's Ferry; three-hinged deck arch, with span of 616 ft. and rise of 90 ft.; excavations; steel hauling; erection; final adjustments. (see also Professional Engr., vol. 14, no. 1, Jan. 1929, pp. 8-9, 1 fig)
America's greatest travel barrier is again bridged
Highway Mag
Hoffman, R.A. (author)
Highway Magazine ; 20
1929
3 pages
3 Figs.
Article (Journal)
English
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