Hayford, John Fillmore <br/><br/>
Geodesy. Supplement investigation in 1909 of the figure of the earth and isostasy /  
by John F. Hayford 
 - Washington :   U.S. Government Printing Office,   1909.  
 - 178 p. ;   30 cm +   1 map. pleg 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEODESIA
<br/><br/><label>Universal Decimal Class. No.: </label>528