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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
6 results returnedLabor saving at limestone quarries
Selected bibliography of minerals and their identification
Growth and development of nonmetallic mineral industries
Home insulation with mineral products :conservation of fuel for war
Industrial insulation with mineral products
Home insulation with mineral products :conserves fuel, reduces cost, increases comfort
Published Year
Subject
- Insulation (Heat) (3)
- Dwellings--Insulation (2)
- Industrial buildings-Insulation (1)
- Limestone industry--Labor productivity--United States (1)
- Mines and mineral resources (1)
- Mines and mineral resources--Bibliography (1)
- Quarries and quarrying--Labor productivity--United States (1)
Author
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