142 



WDKZKL AND HARRISON 



[chap. 9 



^~-j^^ ass COMPASS /SL AND 



MARCH APRIL 

 1958 



_L 



Fig. 5. 6500 miles of" track of U.S.S. Cotnpass Islmid on which gravity measurements were 

 obtained. 



Fig. 6. LaCoste-Romberg surface-ship gravity meter installed on M.V. Horizon. 



