U.S. DEPARTMENT OF THE INTERIOR / U.S. GEOLOGICAL SURVEY
                                
                                
        U.S. GEOLOGICAL SURVEY DIGITAL DATA SERIES DDS-13
                                
              International Phase of Ocean Drilling
                Seismic Line 1 Demultiplexed Data
               Cape Hatteras to Mid-Atlantic Ridge
                                
                     SHOTPOINT LOCATION DATA
                                
                                
     Shotpoint location data are given in the ASCII text file
IPOD.NAV in the NAV subdirectory.

LOCATION DATA RECORD FORMAT

<latitude>   <longitude>   <shotpoint>

where

<latitude> is the latitude in decimal degrees to 6 places
precision.
<longitude> is the longitude in decimal degrees to 6 places
precision.
<shotpoint> is the point to be located.





























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