Figure 177 Heights and inferred directions of local waves in the Western 

 Part of Port Valdez, Prince William Sound. Heavy line along 

 shore indicates distribution of damage; numeral is measured 

 maximum runup. Shaded pattern, bedrock; dotted pattern, 

 alluvium and intertidal mud; triangular pattern, terminal 

 moraine of the Shoup Glacier. Contour interval on land 

 is 1,000 feet; submarine contour interval is 600 feet, 

 (from Plafker and Mayo, I965) 



280 



