36$^{Time Zones}$ FAA Chart Users’ Guide - VFR Symbology - Sectional and Terminal Area Charts CULTURE (Continued) BOUNDARIES International State or Province  Convention or Mandate Line Miscellaneous Cultural Features Dams Passable Locks Weirs and Jetties Breakwaters Pipelines Underground Landmark Features  Mines or Quarries  Shaft Mines or Quarries Wells Other than water Lookout Towers (Elevation Base of Tower)  Aerial Cableways,Conveyors, Etc. 618 Dam Carrying Road Small Locks Seawalls Piers, Wharfs, Quays, etc. Power Transmission and Telecommunication Lines Tanks Outdoor Theater Race Tracks Coast Guard Station Landmark Areas Date Line