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Erects sand and gravel plant to supply aggregates for Missouri roads
State highway department of Missouri erects portable sand and gravel plants to facilitate work on improvement of highways; some of deposits have less sand than proportion required by specifications for concrete mixes and high speed rolls are used to reduce coarse material to allow for deficiency of sand in pit.
Erects sand and gravel plant to supply aggregates for Missouri roads
State highway department of Missouri erects portable sand and gravel plants to facilitate work on improvement of highways; some of deposits have less sand than proportion required by specifications for concrete mixes and high speed rolls are used to reduce coarse material to allow for deficiency of sand in pit.
Erects sand and gravel plant to supply aggregates for Missouri roads
Pit Quarry
Pit and Quarry ; 20
1930
2 pages
2 Figs.
Article (Journal)
English
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