,— (_‘t) ii - — BOLEY (Charles Chilton). Analysis of coal cleaning on a concentrating table. Urbana, 1949. IE.,i.,INOIS, Sjat of. eent of Reistrat and Education. Division of the State Geological Survey. tneport of Investigations.] 136.

Author

BOLEY, Charles Chilton

Language

en

Other Descriptions

Drawer

BOISD - BOLOG