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6 results returnedPreparation characteristics of coal from Raleigh County, W. Va.
Preparation characteristics of coal from McDowell County, W. Va.
Preparation characteristics of coal from Harlan County, Ky.
Preparation characteristics of coal from Wyoming County, W. Va.
Preparation characteristics of coal from Lechter County, Ky.
Use of pulverized rock as dense medium for salvaging coal from Pittsburgh-bed refuse
Published Year
Subject
- Coal preparation (1)
- Coal preparation--Kentucky--Harlan County (1)
- Coal preparation--Kentucky--Lechter County (1)
- Coal preparation--West Virginia--McDowell County (1)
- Coal preparation--West Virginia--Raleigh County (1)
- Coal--Kentucky--Harlan County--Sampling (1)
- Coal--Kentucky--Lechter County--Sampling (1)
- Coal--Pennsylvania--Allegheny County (1)
- Coal--West Virginia--McDowell County--Sampling (1)
- Coal--West Virginia--Raleigh County--Sampling (1)
- Coal--West Virginia--Wyoming County (1)
Author
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