. Elementary physical geography . F* ™l. Fig. 195. View of the island of Heligoland, and map showing how rapidly it is beingdestroyed. Outside line shows boundary in the year 800, when the circumfer-ence was 120 miles; shaded area, boundary in 1300 (circumference, 45 miles).Innermost area, 8 miles in circumference. ocean Avaves are constantly beating with such force thateven the very hardest of rocks are worn away. On theEuropean shore, within historic times, this destruction bythe waves, combined with the action of the tides in remov-ing the fragments, has caused the coast to retreat, often f
. Elementary physical geography . F* ™l. Fig. 195. View of the island of Heligoland, and map showing how rapidly it is beingdestroyed. Outside line shows boundary in the year 800, when the circumfer-ence was 120 miles; shaded area, boundary in 1300 (circumference, 45 miles).Innermost area, 8 miles in circumference. ocean Avaves are constantly beating with such force thateven the very hardest of rocks are worn away. On theEuropean shore, within historic times, this destruction bythe waves, combined with the action of the tides in remov-ing the fragments, has caused the coast to retreat, often fordistances of several miles. Places that a few hundred yearsago were at a considerable distance from the coast, are noweither entirely destroyed, or else are nearer the sea than for-merly. On parts of the coast of England, the sea cliffs arebeing worn back at the rate of five or six feet a year; and THE COAST LINE. 333
Size: 2073px × 1205px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthortarrralphsralphstockm, bookcentury1900, bookdecade1900
