TY - BOOK AU - Phalen,William Clifton ED - Kentucky. TI - Report on the phosphate rocks of central Kentucky AV - TN914.U5 P6 PY - 1915/// CY - Frankfort, Ky. PB - [State Journal Company, Printer] KW - Phosphates KW - Kentucky N1 - At head of title: Kentucky. Geological survey ... in co-operation with the United States Geological survey; Half-title: The central Kentucky phosphate field, by W.C. Phalen; "Bibliography of publications relating to phosphate rock": p. 78-80 ER -