Marshall, R. B.  1867-1949. <br/><br/>
Results of spirit leveling in West Virginia, 1909 and 1910 / 
R.B. Marshall, chief geographer; work done in cooperation with the State of West Virginia. 
 - Washington :  Government Printing Office,  1911. 
 - 54 p. :  plate ;  23 cm. 
 - United States.  Geological Survey.  Bulletin ;  477 .
<br/><br/><label>LCCN: </label>gs 11000487  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>West Virginia--Altitudes.
<br/><br/><label>LC Class. No.: </label>GB495.W4  / A