Crawford, Thomas J. Compilation of coal and petroleum production data for Kentucky. - Lexington, 1958. - 43 p. maps, diagrs., tables. 23 cm. "References": p. 43. LCCN: gs 59000209 Subjects--Topical Terms: Coal--Kentucky.Petroleum--Kentucky. LC Class. No.: TP326.U6 / K4312 Dewey Class. No.: 338.272