Marshall, R. B.  1867-1949. <br/><br/>
Results of spirit leveling in Indiana, 1897 to 1911, 
inclusive.  R. B. Marshall, chief geographer. 
 - Washington,  Govt. print. off.,  1913. 
 - 50 p.  illus.  24 cm. 
<br/><br/><label>LCCN: </label>gs 13000797  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Indiana--Altitudes.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 555