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Groves meets rock challenge
Machinery used to excavate 2 million yd of rugged section of Berkshires on Massachusetts Turnpike; excavation will total 1,800, 000 cu yd of rock and 800,000 yd of earth; types of excavating machinery used.
Groves meets rock challenge
Machinery used to excavate 2 million yd of rugged section of Berkshires on Massachusetts Turnpike; excavation will total 1,800, 000 cu yd of rock and 800,000 yd of earth; types of excavating machinery used.
Groves meets rock challenge
Excavating Engr
Excavating Engineer ; 50
1956
Article (Journal)
English
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