Duerksen, Jacob Arthur,  1895- <br/><br/>
Pendulum gravity data in the United States / 
J.A. Duerksen. 
 - 218 pages :  folded map (in pocket) ;  26 cm 
 - Special publication ;  no. 244 .
 - Special publication (U.S. Coast and Geodetic Survey) ;  no. 244. .
<br/><br/> "Contains data on the pendulum gravity stations established ... 1891 to 1948." 
<br/><br/><label>LCCN: </label>50060103  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravity--Observations.--United States<br/>Pendulum.<br/>Pendulum.
<br/><br/><label>Subjects--Index Terms: </label>Gravity pendulum USA Gravity measurement Gravity Science 
<br/><br/><label>Gov. Doc. Class. No.: </label>C 4.19:244