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Global Definitions

Global Definitions

Global Definitions

ARE, Technical

Introduction

In 1785, a government survey cataloged much of the legal descriptions for the area known as United States. This survey established:

  • Meridians: North/South lines. These lines all intersect with each other at the Earth poles.
  • Parallels: East/West lines. Called parallels because they never intersect with each other and are… parallel.

Global

Beyond this, there are global labels that align with these definitions.

  • Latitude: Lines that are lateral across the globe. They measure distance from the equator.
    • Latitude lines are made up of parallels.
    • LATitude = LATerals (horizontal)
    • Base line: Some parallels are designated as baselines, such as the Equator
  • Longitude: Lines that run vertically across the globe. They measure distances East/West.
    • Longitude lines are made up of meridians.
    • LONGitude = LONGest lines of measurement on the globe.
    • Principal Meridians: Some longitudes are designated as principal meridians.

Checks, Townships, Sections

It can be hard to remember these, as a silly remembrance, we use Cadillac CTS to remember the order of Check, Township, Section (Large to Small).

  • Checks: Lines that are 24 miles apart.
    • 1 Check = 576 Square miles
  • Townships: Each Check is divided into 16 townships.
    • Each Township is 6×6 miles large (36 Square Miles)
    • Numbered as being North/South of the Baseline (Equator), and East/West of the Principal Meridian.

Section: Each township is divided into 36 Sections. Each Section is 1×1 mile (1 square miles)

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Tags: GlobalLatitudeLongitudeNavigation

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