Review of the Results of the U. 8S. Coast Survey. 79 
The extension of docks and piers into the North and East 
rivers, and the amount of new made land, excited such serious 
alarm in the mercantile community that a Board of Harbor 
Commissioners was appointed in the year 1855 to consider the 
whole subject and devise means for averting the impending 
nger. ‘l'o the action of that Board the assistance of the 
Coast Survey was cheerfully and gratuitously rendered, and the 
results of the survey and of a careful and accurate examination 
Most eminent mathematician whom our country has produced, 
operly by the Coast Survey. T'his met 
d results of great value to the eyvey 
