Gregory, Herbert E.  1869-1952. <br/><br/>
Preliminary geological map of Connecticut / 
by Herbert Ernest Gregory and Henry Hollister Robinson. 
 - Hartford :  Hartford Press, The Case, Lockwood & Brainard Company,  1907. 
 - 39 p. :  ill., fold. map (in pocket) ;  23 cm. 
<br/><br/> At head of title: State of Connecticut. Public Document No. 47 
<br/><br/><label>LCCN: </label>gs 07000681  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Connecticut.
<br/><br/><label>LC Class. No.: </label>QE93  / .G82