Staack, J. G.  1878- <br/><br/>
Spirit leveling in Massachusetts, 1922-35 
[by] J. G. Staack ... 
 - Washington,  U.S. Govt. print. off.,  1937. 
 - 1 p. l., 156 p. incl. map, tables, digr., pl.  23 cm. 
 - U. S. Geological survey. Bulletin 882 .
<br/><br/> At head of title: United States Department of the interior.  Includes index. 
<br/><br/><label>LCCN: </label>gs 37000119  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Massachusetts--Altitudes.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 882