Mathematical elements for maps of scale 1 : 25000

1. Rectangular coordinates grid.

Vertical lines of rectangular coordinates grid.

Code - 13210000, type (character of localization) - linear, characteristic - 17. Direct lines are drawn through 4 cm.

Horizontal lines of rectangular coordinates grid.

Code - 13220000, type (character of localization) - linear, characteristic - 17. Direct lines are drawn through 4 cm.

2. Geographic coordinates grid.

Grid ticks of meridians.

Code - 13111000, type - line, characteristic - 19. Dashes by length of 2 mm are drawn divisible by one minute up to latitude 60 °.

To the north 60 ° up to latitude 76 ° - dashes divisible by 3 minutes are drawn by length of 3 mm. The others - 2 mm.

Grid ticks of parallels.

Code - 13121000, type - linear, characteristic - 19. Dashes by length of 2 mm are drawn divisible by 1 minute.