Simpson, Howard E.  1874-1938. <br/><br/>
The ground waters of North Dakota, 
by Howard E. Simpson. 
 - Grand Forks, N. Dak.,  1932. 
 - 26 p.  incl. map, pl.  23 cm. 
 - North Dakota.  Geological Survey.  Bulletin  7 .
<br/><br/> At head of title: Artesian water conservation fund...Artesian water paper no. 5.  "Fourth biennial report of the State water geologist [for 1927 and 1928]": p. [18]-26. 
<br/><br/><label>LCCN: </label>gs 33000037  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater.<br/>Water-supply--North Dakota.
<br/><br/><label>LC Class. No.: </label>GB1025.N9  / S52