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Settlement Patterns
and Survey Methods

Explore how human settlements are organized across landscapes and how land survey systems shape the geography we see today.

AP Human Geography

What Are Settlement Patterns?

A settlement pattern describes the spatial arrangement of buildings, roads, and infrastructure in a place. Geographers classify settlements by their shape, density, and function to understand how people interact with the physical environment and each other.

Three Core Settlement Types

Clustered
Buildings grouped closely together, often around a central feature like a church, market, or water source.
Dispersed
Buildings spread far apart across the landscape, common in agricultural regions where farms need large tracts of land.
Linear
Buildings arranged in a line, typically following a road, river, canal, or coastline that serves as a transport corridor.

Visualizing Settlement Shapes

Clustered Central feature: church, well, market Dispersed Isolated farmsteads across open land Linear road Aligned along a road, river, or coastline

Why Do Patterns Matter?

1
Resource access: Clustered settlements form near shared resources like water, arable land, or mineral deposits.
2
Defense and security: Historically, nucleated villages offered mutual protection against raids or invasion.
3
Government policy: Land survey systems (like the township-and-range) deliberately created dispersed patterns.
4
Cultural tradition: Ethnic and religious communities may prefer clustered living for social cohesion.

Land Survey Methods

A land survey method is the system a government uses to divide and allocate land. The survey method determines property boundaries, road layouts, and even the visual appearance of the landscape from above. Two dominant systems shaped North America:

Metes and Bounds
Irregular parcels defined by natural landmarks and compass directions. Used in the original 13 colonies.
Township and Range
A grid system of perfectly square parcels. Used west of the Appalachians after the Land Ordinance of 1785.

Metes and Bounds System

Old Oak Creek Boulder
\( \text{N } 40^{\circ} \text{ E} \)
\( \text{N } 60^{\circ} \text{ E} \)
Irregular boundaries follow natural landmarks and compass bearings: no two parcels are alike

Township and Range System

16 6 5 4 3 2 1 7 8 9 10 11 12 18 17 15 14 13 19 20 21 22 23 24 30 29 28 27 26 25 31 32 33 34 35 36 Range Township

Metes and Bounds vs Township and Range

Metes and Bounds Township and Range
Shape Irregular, organic Rectangular grid
Origin Colonial era (English) Land Ordinance of 1785
Reference Points Natural landmarks Principal meridians & baselines
Region East of Appalachians West of Appalachians
Boundary Disputes Common (landmarks change) Rare (fixed coordinates)
Aerial View Patchwork of shapes Checkerboard grid

The Long-Lot System

River Narrow frontage on river, long lots extend inland

Other Survey Patterns Worldwide

Domesday Survey
Medieval England's comprehensive land inventory (1086) recorded ownership, acreage, and value for taxation. A precursor to modern cadastral systems.
Open-Field System
Medieval European villages divided land into communal strips. Each family farmed scattered strips to ensure fair distribution of soil quality.
Cadastral Survey
A modern, government-maintained registry of property boundaries. Used worldwide for taxation, planning, and legal ownership records.

How to Identify Settlement Patterns

1
Look at the aerial view. Is the landscape a checkerboard grid (township-and-range), irregular patches (metes and bounds), or long narrow strips (long-lot)?
2
Check building density. Are structures tightly packed (clustered), spread far apart (dispersed), or in a line (linear)?
3
Identify the central feature. A church, river, road, or market square often explains why the settlement formed where it did.
4
Consider historical context. Was the area colonized by the French (long-lot), British (metes and bounds), or the U.S. federal government (township-and-range)?
5
Link pattern to function. Agricultural regions tend toward dispersed patterns. Trade and defense centers tend toward clustered.

Example: Midwest Aerial Photo

Road Grid roads + dispersed farmsteads = Township and Range

Example: New England Village

Village Green Church Clustered nucleated village with metes and bounds parcels

Example: Louisiana Long-Lot

Imagine you are flying over southern Louisiana near the Mississippi River. You observe:

1
Long, narrow strips of land extending perpendicular to the river.
2
Each lot has a small house near the riverfront and farmland stretching far inland.
3
The settlement forms a linear pattern along the waterway.

Common Mistakes

✕ Confusing Survey with Settlement
A survey method (how land is divided) is not the same as a settlement pattern (how people distribute themselves). The survey shapes the pattern, but they are distinct concepts.
✕ Grid = Always Township
Not every grid pattern is township-and-range. Some planned cities (e.g., Barcelona, Manhattan) use grids designed by urban planners, not the federal land survey.
✕ Long-Lot = Metes and Bounds
Long-lot is a distinct third system, not a subset of metes and bounds. Long lots are regular (rectangular strips), while metes and bounds parcels are irregular.

Summary Comparison

Metes and Bounds Township & Range Long-Lot
Origin British colonial U.S. federal (1785) French colonial
Shape Irregular Square grid Long narrow strips
Reference Natural landmarks Meridians & baselines Waterway frontage
Settlement Clustered villages Dispersed farms Linear along water
Regions Eastern U.S. Midwest & West Louisiana, Quebec, Texas
Aerial View Patchwork Checkerboard Parallel strips

Question 1 of 5

A geographer observes an aerial photo showing perfectly square fields separated by roads intersecting at right angles. Which land survey system is most likely responsible?

Question 2 of 5

Which settlement pattern is most commonly associated with the French long-lot survey system?

Question 3 of 5

A major problem with the metes and bounds system is that:

Question 4 of 5

In the township-and-range system, Section 16 of each township was traditionally reserved for:

Question 5 of 5

Which of the following best describes the settlement pattern and survey method of each region?