| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Oil shales |
LC Classification (LCC) |
ClassNumber Range |
TN858-TN859 | |
| Technology--Mining engineering. Metallurgy--Nonmetallic minerals--Other natural carbons and hydrocarbons--Oil shales ; Oil shales--Mining engineering | |||||
| 2. | Special countries, A-Z |
LC Classification (LCC) |
ClassNumber Range |
TN859.A-TN859.Z | |
| Technology--Mining engineering. Metallurgy--Nonmetallic minerals--Other natural carbons and hydrocarbons--Oil shales--Special countries, A-Z | |||||
| 3. | General works |
LC Classification (LCC) |
ClassNumber Range |
TN858.A2-TN858.Z | |
| Technology--Mining engineering. Metallurgy--Nonmetallic minerals--Other natural carbons and hydrocarbons--Oil shales--General works | |||||
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