Marshall, R. B.  1867-1949. <br/><br/>
Results of spirit leveling in Maine, New Hampshire, and Vermont, 1896 to 1909, inclusive. / 
R.B. Marshall, Chief geographer. Work done in cooperation with the state of Maine during 1899 to 1909, inclusive. 
 - Washington,  Govt. Print. Off.,  1910. 
 - 59 p. :  24 cm. 
 - U.S. Geological survey. Bulletin 437 .
 - United States.  Geological Survey.  Bulletin ;  437. .
<br/><br/> Includes index.  Issued also as House doc. no. 1014, 61st Cong., 3d sess. 
<br/><br/><label>LCCN: </label>gs 10000498  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Maine--Altitudes.<br/>New Hampshire--Altitudes.<br/>Vermont--Altitudes.
<br/><br/><label>LC Class. No.: </label>GB494  / .A5