DEPARTMENT OF TRANSPORTATION 



IS CIISI tllll ICEtmtllPIIC HIT 

 lirkiiii liditlii Ikitiiaitir Fraitii 



SURFACE ISOTHERMS • °C 



DECEMBER 8, 9. 10. 14. 15. md 16. 1976 



OWN DUE TO .-, 



IrilNliiliiliilHl iiliiliiliilliliiliilliliiliiliillihilillillllllllllllllilll 



40"'N 



35* 



30* 



ZS^N 



eo*w 



70»W 



229 



