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Progress in San Jacinto Tunnel speeded by inclined adit
Review of progress in construction of one of water supply tunnels of Colorado River Aqueduct; line change, adding slightly to total length of 13.0-mi tunnel, gives access near midpoint; two pioneer bores started; time saving of many months will offset delays due to water inflow; mucking machines.
Progress in San Jacinto Tunnel speeded by inclined adit
Review of progress in construction of one of water supply tunnels of Colorado River Aqueduct; line change, adding slightly to total length of 13.0-mi tunnel, gives access near midpoint; two pioneer bores started; time saving of many months will offset delays due to water inflow; mucking machines.
Progress in San Jacinto Tunnel speeded by inclined adit
Eng News-Rec
Engineering News-Record ; 117
1936
2 pages
Aufsatz (Zeitschrift)
Englisch
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