8 



SIEUR DE MONTS NATIONAI^ MONUMENT. 



The lowland from which the mountainous hills of Maine rise up is 

 not, like the coastal lowlands to the southward of Cape Cod, a recently 

 emerged sea bottom, still for the most part as smooth as when the ocean 



Copyright by National Geographic Society. 



Rock formed by coastal deposit in an ancient ocean at a period antedating any present 

 trace of life on land. The strata formed by seasonal rains are still plainly to be 

 seen in the foreground; the cliff beyond, of more resistant character, has been 

 molten, compressed, and hardened by volcanic agencies. 



covered it. It is low in spite of having been strongly uplifted long ago; 

 it is low because the ancient alpine heights that occupied it once have 

 been worn down by age-long denudation and have slowly wasted away 

 under the ceaseless attack of the atmosphere. 



