Marshall, R. B.  1867-1949. <br/><br/>
Results of spirit leveling in Oregon 1896 to 1910, inclusive / 
R.B. Marshall, chief geographer. Work done in cooperation with the state from 1905 to 1910, inclusive. 
 - Washington,  Govt. Print. Off.,  1911. 
 - 82 p. :  pl ;  24 cm. 
 - U.S. Geological survey. Bulletin 462 .
 - United States.  Geological Survey.  Bulletin ;  462. .
<br/><br/> Issued also as House doc. no. 1438, 61st Cong., 3d sess.  Includes index. 
<br/><br/><label>LCCN: </label>gs 11000330  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Oregon--Altitudes.
<br/><br/><label>LC Class. No.: </label>GB495.O7  / A3