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Preparation Characteristics of Coal from Greene County, Pa
T. E. Gray
, Eugene Robert Palowitch
· 1958
Preparation Characteristics of Coal from Dickenson County, Va
T. E. Gray
, C. C. Boley
· 1958
Preparation Characteristics of Coal from Marion County, W. Va
T. E. Gray
, Eugene Robert Palowitch
· 1960
Ilmenite and Other Black-sand Minerals in the Gold Fork Placer Deposit, Valley County, Idaho
D. E. Wolfson
, H. L. Riley
, Michael John Ferrante
, Nils A. Eilertsen
, R. E. Perry
, Richard H. Storch
, T. E. Gray
, Vernon E. Homme
, C.C. Boley
, D. H. Baker
, George W. Birge
, Philip C. Good
, J. B. Gayle
, Mortin Min Wong
, P. M. Gruzensky
· 1958
Preparation Characteristics of Coal from Monongalia County, West Virginia
T. E. Gray
, Eugene Robert Palowitch
· 1960
Preparation Characteristics of Coal from Boone County, W. Va
T. E. Gray
, Eugene Robert Palowitch
· 1961
Preparation Characteristics of Coal from Washington County, Pennsylvania
T. E. Gray
, Eugene Robert Palowitch
· 1959
Preparation Characteristics of Coal from Butler County, Pennsylvania
T. E. Gray
, Eugene Robert Palowitch
· 1960
Washability Characteristics of the Lower Hartshorne (Spadra) Coalbed Near Clarksville, Ark
Eugene Robert Palowitch
, T. E. Gray
· 1962
Preparation Characteristics of Coal from Harrison County, W. Va
T. E. Gray
, Eugene Robert Palowitch
· 1961
