Longitude Map Scale Legend

Compass Rose
Latitude
Key/legend

Longitude
- Refers to the east-west lines on a map or globe that measure distance from the prime meridian (0 degrees longitude), which runs through Greenwich, England.
- Measured in degrees, minutes, and seconds, with the values increasing eastward and westward from the prime meridian.

Map Scale
- Indicates the relationship between distances on a map and their corresponding distances on the ground.
- Can be expressed in various formats:
- Verbal scale: A written statement, such as "1 inch = 1 mile."
- Graphic scale: A line or bar on the map that represents a specific distance, such as "1 cm = 10 km."
- Representative fraction (RF): A ratio that indicates the fraction of the map distance to the corresponding ground distance, such as "1:100,000" (1 unit on the map = 100,000 units on the ground).

Legend
- A section on a map that explains the symbols, colors, and patterns used on the map.
- Provides information about what each symbol, color, or pattern represents.
- Essential for understanding and interpreting the map's content.