U.S. Coast Survey Reports—1861 and 1862. 95 
Arr. XT.—U, &. Coast Survey Reports for the years 1861 and 1862. 
by most of the parties before their proceedings were suspended 
in consequence either of actual or of threatened violence. Op- 
erations upon the northern coast were of course undisturbed, 
but the distribution of labor was somewhat modified during the 
Summer of 1861, in consequence of the state of things in the 
Vicinity of Chesapeake Bay. 
ring the second of the years to which these reports relate, 
the services rendered by the officers of the survey upon the 
entirely as before to the systematic prosecution of the general 
plan of the survey, have been probably of more immediate value 
to the government than if they had been so. They have recoy- 
and ascertained their magnitude and extent. In this way they 
have contributed very materially to the security of our navy and 
enemy; or as, in the interior, they 
Secured topographical information of the greatest value, by opera- 
tions sometimes conducted immediately under fire. 
