184 
A    DICTIONARY    OF    ALTITUDES 
DISTRICT   OF   COLUMBIA— Continued. 
Locality. 
Authority. 
Washington,  Naval  Observatory,  top  of  small      U.  S.  C.  &  G.  S. 
dome. 
Do.  .Smithsonian  Institution,  ground  at      U.  S.  C.  c^  (i.  S. 
north  front  of  highest  tower. 
Do.  .Smithsonian   Institution,  B.  M.  on      V.  S.  C.  &  (i.  S. 
top  of  balustrade  on  highest  tower. 
Do.  .Insane  Asylum,  B.  M.  on  mound  at      U.  S.  C.  &  G.  S 
north  front  of  tower. 
Do.  .Soldiers'    Home,    B.    M.   on    foot    of       U.  S.  C.  &  G.  S. 
tower  at  south  side. 
Do.  .Soldiers' Home,  top  of  old  balustrade.    U.  S.  C.  &  G.  S. 
Do. 
Winthrop  Heights 
Weather  Bureau 
B.  &0.  R.  R.... 
Elevation. 
Feet. 
1.50 
34 
175 
173 
330 
110 
112 
79 
