Piedmont-Atlantic Coastal Plain fall line

E55308

fall line geological boundary

The Piedmont-Atlantic Coastal Plain fall line is a major geological boundary in the eastern United States where harder upland rocks of the Piedmont meet the softer sediments of the Atlantic Coastal Plain, creating a zone of rapids and waterfalls that historically influenced settlement and industry.

Jump to: Surface forms Statements Referenced by

Observed surface forms (8)

Surface form	Occurrences
Fall Line between Piedmont and Coastal Plain	2
Appalachian Piedmont region boundary system	1
Atlantic Seaboard fall line	1
Atlantic seaboard fall line region	1
Fall Line	1
Fall Line of the eastern United States	1
Piedmont–Coastal Plain fall line	1
Piedmont–Coastal Plain transition zone	1

Statements (27)

Predicate	Object
instanceOf	fall line ⓘ geological boundary ⓘ
affects	distribution of cities along major rivers in the eastern United States ⓘ
associatedWith	head of tide on some rivers ⓘ navigation limits on rivers ⓘ water power sites ⓘ
characterizedBy	rapids ⓘ waterfalls ⓘ
extendsAcross	multiple Atlantic seaboard states of the United States ⓘ
forms	transition between upland and lowland topography ⓘ zone of increased river gradient ⓘ
geologicalContactBetween	harder upland rocks of the Piedmont ⓘ softer sediments of the Atlantic Coastal Plain ⓘ
hasAlternateName	Piedmont-Atlantic Coastal Plain fall line ⓘ surface form: Atlantic Seaboard fall line Piedmont-Atlantic Coastal Plain fall line ⓘ surface form: Piedmont–Coastal Plain fall line
hasEconomicSignificance	historical mill and factory locations ⓘ
hasHydrologicalEffect	change in river navigability ⓘ formation of shoals and rapids at river crossings ⓘ
influenced	historical settlement patterns in the eastern United States ⓘ location of early industry in the eastern United States ⓘ
isResultOf	differential erosion between resistant crystalline rocks and softer sediments ⓘ
isTypeOf	geomorphological feature ⓘ physiographic boundary ⓘ
locatedIn	Eastern United States ⓘ surface form: eastern United States
partOf	Piedmont-Atlantic Coastal Plain fall line self-linksurface differs ⓘ surface form: Appalachian Piedmont region boundary system
separates	Atlantic coastal plain ⓘ surface form: Atlantic Coastal Plain Piedmont (United States) ⓘ surface form: Piedmont

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Atlantic coastal plain → borderedBy → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Fall Line

Piedmont region of Georgia → crossedBy → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Fall Line between Piedmont and Coastal Plain

Savannah River → crosses → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Fall Line between Piedmont and Coastal Plain

Great Falls of the Potomac → geologicalSetting → Piedmont-Atlantic Coastal Plain fall line ⓘ

Piedmont-Atlantic Coastal Plain fall line → hasAlternateName → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Piedmont–Coastal Plain fall line

Piedmont-Atlantic Coastal Plain fall line → hasAlternateName → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Atlantic Seaboard fall line

Meridian, Mississippi → locatedOn → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Fall Line of the eastern United States

Calvert Cliffs → partOf → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Atlantic seaboard fall line region

Piedmont-Atlantic Coastal Plain fall line → partOf → Piedmont-Atlantic Coastal Plain fall line self-linksurface differs ⓘ

this entity surface form: Appalachian Piedmont region boundary system

Quantico, Virginia → region → Piedmont-Atlantic Coastal Plain fall line ⓘ

this entity surface form: Piedmont–Coastal Plain transition zone