Preliminary report on the economic geology of the Hartford quadrangle
By: By James H. Gardner. And on the soils of the same quadrangle, by S. C. Jones. Field work done in 1910.
Contributors: Jones, S. C. b. 1880.
Series: Kentucky. Geological Survey. Bulletin no. 20; Bulletin (Kentucky Geological Survey) -- no. 20.
Publisher: Printed by the Interstate Publishing Co.
Published: 1912
Place of publication: Louisville, Ky
Subjects: Geology, Economic.; Soils -- Kentucky.