Shumard, George Gettz. <br/><br/>
Artesian water on the Llano Estacado. 
By Dr. George G. Shumard.  Report and analyses of Texas sumach (Rhus copallina).  By George H. Kalteyer. 
 - Austin,  H, Hutchings, state printer,  1892. 
 - 19 p.  fold pl.  24 cm. 
 - Texas.  Geological survey. Bulletin  no. 1 .
<br/><br/><label>LCCN: </label>gs 05000347  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artesian wells--Texas.<br/>Sumac.
<br/><br/><label>LC Class. No.: </label>QE167  / .A3 no. 1