\- SHORELINE POSITION 

 VERTICAL DATUM IS MSL 

 HORIZONTAL DATUM IS 



MEAN SHORELINE POSITION 

 10 DEC 70-5 APR 74 

 X EXTRAPOLATED DATUM 



o FIRST SURVEY 

 \ SECOND SURVEY 



LINE DRTE 



1 10DEC70-18DEC70 



10DEC70-18DEC70 



10DEC70-18DEC70 



10DEC70-18DEC70 



11DEC70-18DEC70 



11DEC70-18DEC70 



11DEC70-19DEC70 



8 114DEC70-19DEC70 



14DEC70-19DEC70 



10 14DEC70-19DEC70 



J I \ L 



J I 



•150 -125 -100 -75 -50 -25 

 DISTANCE ( M) 



25 50 75 100 



Figure H4. Profile comparisons for surveys of profile lines 

 at Cape Cod, Mass. 



H5 



