 | United States. Army. Corps of Engineers - 1900 - 1170 páginas
...idea i if the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if measured in steps of L'") miles, is about 3,000 miles, but if the indentations of the shore and the outlines of the islands... | |
 | 1902 - 1084 páginas
...idea of the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if...outlines of the islands be included the developed shore line is about 4,700 miles in length. "Along rivers and where a lake is narrow it is necessary... | |
 | United States. War Department - 1902 - 1098 páginas
...Great Lakes and their connecting rivers, if measured in steps of 25 miles, is about 8,000 miles, hut if the indentations of the shore and the outlines...shoreline is about 4,700 miles in length. * "Along rivers and where a lake is narrow it is necessary for navigation that l>oth shores be mapped. This... | |
 | United States. War Department - 1903 - 1162 páginas
...idea of the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if...outlines of the islands be included the developed shore line is about 4,700 miles in length. "Along rivers and where a lake is narrow it is necessary... | |
 | 1904 - 1480 páginas
...magnitude of the work may be had from the following dimensions: "The American shore line of theGreat Lakes and their connecting rivers, if measured in steps of 25 miles, is about 8,000 miles, but if the indentations of the shore and the outlines of the islands be included, the... | |
 | United States. Army. Corps of Engineers - 1905 - 1346 páginas
...the work may he had from the following dimensions : "The American shore line of the Great Lakes mid their connecting rivers, if measured in steps of 2!5 miles, is about 3.<XX> miles, but if the indentations of the shore and the outlines nf the islands !M> included the... | |
 | United States. Army. Corps of Engineers - 1908 - 1150 páginas
...idea of the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if measured in steps of 25 miles, in alxjut 3,000 miles, but if the indentations of the shore and the outlines of the islands be included... | |
 | United States. Army. Corps of Engineers - 1901 - 1060 páginas
...idea of the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if...outlines of the islands be included the developed shore line is about 4,700 miles in length. "Along rivers and where a lake is narrow it is necessary... | |
 | United States. Army. Corps of Engineers - 1902 - 1084 páginas
...idea of the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if...measured in steps of 25 miles, is about 3,000 miles, hut if the indentations of the shore and the outlines of the islands be included the developed shoreline... | |
 | United States. Army. Corps of Engineers - 1904 - 1472 páginas
...idea of the magnitude of the work may be had from the following dimensions: "The American shore line of the Great Lakes and their connecting rivers, if measured in steps of 25 miles, is about S,fXX) miles, but if the indentations of the shore and the outlines of the islands be included, the... | |
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... commerce that Congress in 1841 directed a survey of the lakes, and that annual appropriations, with the single exception of the year 1847, have since been made for carrying on the survey. Some idea of the magnitude of the work may be had from the... 
