Contiguous

Region

Relative Location

Continent

Population

Latitude Lines

Longitude Lines

Absolute Location

Landform Region

Climate

Mountain Range

Erosion

Prarie

Enviroment

Inlet

Gulf

Sound

Tributary

River System

Drainage Basin

Fall line

Elevation

Natural Vegetation

Arid

Tundra

Land use

Natural resource

Renewable Resource

Nonrenewable Resource

Modify

Irrigation

Efficiency