1. 01. English Non Fiction Appalachian Kentucky, an exploited region, by Langman, R. C. Publication: Toronto, | New York, McGraw-Hill Ryerson 1971 . 116 p. 24 cm. Date:1971 Availability: Copies available: (4), Actions:
2. 01. English Non Fiction Our land and water resources; current and prospective supplies and uses.   Publication: Washington; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1974 . viii, 54 p. 26 cm. Date:1974 Availability: Copies available: (2), Actions: