Loughridge, R. H.  1843-1917. <br/><br/>
Report on the geological and economic features of the Jackson's Purchase region, embracing the counties of Ballard, Calloway, Fulton, Graves, Hickman, McCracken, and Marshall. 
By R. H. Loughridge. 
 - Frankfort,  J. D. Woods, public printer and binder  [1888] 
 - 357 p.  front., illus., plates (1 fold.) 3 fold. col. maps (in pocket)  26 cm. 
 - Kentucky.  Geological survey, 1873-1891. [Reports of special subjects] [v.5, F] .
<br/><br/><label>LCCN: </label>gs 04000130  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Kentucky.
<br/><br/><label>LC Class. No.: </label>QE115  / .A27