Gardner, James Henry,  1883- <br/><br/>
Preliminary report on the economic geology of the Hartford quadrangle. 
By James H. Gardner. And on the soils of the same quadrangle, by S. C. Jones. Field work done in 1910. 
 - Louisville, Ky.,  Printed by the Interstate publishing co.,  1912. 
 - 3 p. l., 33 p.  illus. (maps, diagrs.)  27 cm. 
 - Kentucky. Geological survey. Bulletin  no. 20 .
<br/><br/><label>LCCN: </label>gs 12000370  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Economic.<br/>Soils--Kentucky.
<br/><br/><label>LC Class. No.: </label>QE115  / .A243 no, 20