HYDROGRAPHY. 
81 
The Washington office looks after the general administration of the 
work, cares for the supplies and accounts, receives the original data 
as collected by the resident hydrographers, and prepares the material 
for publication. The Washington office comprises the following four 
Fig. 3.— Map showing locations of river stations in eastern half of United States in 1903-1. 
sections: (1) The executive office, which looks after appointments, 
assignments to duty, general correspondence, approval of accounts, 
bookkeeping, and other matters in connection with the administration 
of the work. All material passes through and is inspected by this 
office before it is submitted to the hydrographer. (2) The computing 
Bull. 227—04 6 
