TY  - BOOK
AU  - Richardson,Charles Henry
AU  - Hudnall,James S.
AU  - Cash,E.F.
AU  - Allen,C.A.
TI  - The mineralogy of Kentucky: a description of the physical and chemical properties of minerals native to Kentucky,
T2  - Kentucky. Geological survey, 1920. Ser. VI
AV  - QE375 .R5
PY  - 1925///
CY  - Frankfort
PB  - The Kentucky geological survey
KW  - Mineralogy
KW  - Kentucky
KW  - Coal
N1  - The Elkhorn coal field, by J. S. Hudnall: p. 131-133; Coal losses in Kentucky, by F. E. Cash and C. A. Allen: p. 135-170
ER  -