It is quite a common thing for wave-action to take effect to a height of 30 ft. or 40 ft. above mean sea-level. ... height, but where the face of the cliff slopes, through landslips or other causes, action does frequently take place to the height named.
|Title||:||Coast Erosion and Protection - Engineering|
|Author||:||Ernest R. Matthews|
|Publisher||:||Watchmaker Publishing - 2003-02-01|