Billings, Marland Pratt,  1902- <br/><br/>
Pegmatites of Massachusetts, 
by Marland P. Billings. Prepared under a cooperative project for geologic investigations in the Commonwealth of Massachusetts. 
 - Boston,  1941. 
 - 22 p.  maps.  28 x 22 cm. 
 - [Cooperative Geologic Project] Bulletin  no. 5 .
<br/><br/> At head of title: Commonwealth of Massachusetts. Dept. of Public Works, U. S. Department of the Interior. Geological Survey. 
<br/><br/><label>LCCN: </label>gs 41000116  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pegmatites.<br/>Mines and mineral resources--Massachusetts.
<br/><br/><label>LC Class. No.: </label>QE461  / .B55 
<br/><br/><label>Dewey Class. No.: </label>552.1