Hopkins, Herbert T.,  1923- <br/><br/>
Fresh-saline water interface map of Kentucky /  [Cartographic material] : 
Herbert T. Hopkins. 
, Scale 1:500 000 
 - Lexington :  Kentucky Geological Survey,  1966. 
 - col. map 72 x 139 cm. fold. in envelope 30 x 24 cm. 
 - Kentucky.  Geological Survey.  Series X,  1966 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Kentucky--Maps.