D

David Ray Mitchell

1898

5 books found

Books by David Ray Mitchell
Coal preparationDavid Ray Mitchell
⏱ 13h 0m

Coal preparation

David Ray Mitchell

1943780 pp.
Coal preparationJoseph W. Leonard
⏱ 15h 56m

Coal preparation

Joseph W. Leonard

1968956 pp.
The Possible production of low ash and sulphur coal in Illinois as shown by float-and-sink testsDavid Ray Mitchell
⏱ 44m

The Possible production of low ash and sulphur coal in Illinois as shown by float-and-sink tests

David Ray Mitchell

193344 pp.
Washability characteristics of Illinois coal screeningsDavid Ray Mitchell
⏱ 1h 24m

Washability characteristics of Illinois coal screenings

David Ray Mitchell

193784 pp.
GatheringsJeannette C. Armstrong
⏱ 4h 0m

Gatherings

Jeannette C. Armstrong

1991240 pp.