 | 1856 - عدد الصفحات: 974
...present level, even of such mountainous districts as Canada and the Northeastern States of the Union, that "a subsidence of 400 feet would cause the waters...Mohawk and Hudson into the Atlantic, and at the same lime convert Lake Champlain into a maritime strait, thereby forming islands of the States of New York,... | |
 | 1856 - عدد الصفحات: 482
...present level, even of such mountainous districts as Canada and the Northeastern States of the Union, that "a subsidence of 400 feet would cause the waters...valleys of the Mohawk and Hudson into the Atlantic, and atthe same time convert Lake Champlain into a maritime strait, thereby forming islands of the States... | |
 | Geological Society of London - 1855 - عدد الصفحات: 802
...present level, even of such mountainous districts as Canada and the North-eastern States of the Union, that " a subsidence of 400 feet would cause the waters...British Colonies of New Brunswick and Nova Scotia." A subsidence of onefourth of that amount in the prairie districts of the Saskatchewan, continued to... | |
 | Sir John Richardson - 1854 - عدد الصفحات: 528
...remarks that, had the eroding agency removed this bed, and penetrated to the soft strata of the Onondaga salt-group, Erie would probably have been the deepest...a maritime strait, thereby forming islands of the State of New York, the New England States, and of the British colonies of New Brunswick and Nova Scotia.... | |
 | Geological Society of London - 1855 - عدد الصفحات: 814
...present level, even of such mountainous districts as Canada and the North-eastern States of the Union, that " a subsidence of 400 feet would cause the waters...British Colonies of New Brunswick and Nova Scotia." A subsidence of onefourth of that amount in the prairie districts of the Saskatchewan, continued to... | |
| |
... shores of the inland lakes and portions of the coasts of the Arctic Seas. It has been stated as an exemplification of the wide changes which would result from a comparatively small alteration in the present level, even of such mountainous districts... 