Gravelly Branch (Nanticoke River tributary)

Gravelly Branch is a 13.12 mi (21.11 km) long 4th order tributary to the Nanticoke River in Sussex County, Delaware.

Gravelly Branch
Tributary to Nanticoke River
Map of Gravelly Branch mouth location
Map of Gravelly Branch mouth location
Location of Gravelly Branch mouth
Map of Gravelly Branch mouth location
Map of Gravelly Branch mouth location
Gravelly Branch (Nanticoke River tributary) (the United States)
Location
CountryUnited States
StateDelaware
CountySussex
Physical characteristics
SourceEllendale Swamp on Sowbridge Branch divide
 • locationabout 1 mile south-southeast of Ellendale, Delaware
 • coordinates38°48′20″N 075°24′35″W / 38.80556°N 75.40972°W / 38.80556; -75.40972[1]
 • elevation45 ft (14 m)[2]
MouthNanticoke River
 • location
about 2 miles northeast of Middleford, Delaware
 • coordinates
38°41′11″N 075°33′21″W / 38.68639°N 75.55583°W / 38.68639; -75.55583[1]
 • elevation
3 ft (0.91 m)[3]
Length13.12 mi (21.11 km)[4]
Basin size39.09 square miles (101.2 km2)[5]
Discharge 
 • locationNanticoke River
 • average47.77 cu ft/s (1.353 m3/s) at mouth with Nanticoke River[5]
Basin features
ProgressionNanticoke RiverChesapeake BayAtlantic Ocean
River systemNanticoke River
Tributaries 
 • leftGravelly Ditch
 • rightProng Number One
Smith-Short and Willin Ditch
Tussocky Branch
WaterbodiesCollins Pond
BridgesSaw Mill Road (x2), US 113, W Robbins Road, Redden Road, Deer Forest Road, DE 18-404, Coverdale Road

Variant names

edit

According to the Geographic Names Information System, it has also been known historically as:[1]

  • Gravel Creek
  • Gravely Branch

Course

edit

Gravelly Branch rises in Ellendale Swamp on the Sowbridge Branch divide about 1 mile south-southeast of Ellendale, Delaware, and then flows southwest to join the Nanticoke River about 2 miles northeast of Middleford.[3]

Watershed

edit

Gravelly Branch drains 39.09 square miles (101.2 km2) of area, receives about 45.2 in/year of precipitation, has a wetness index of 741.95, and is about 19% forested.[5]

See also

edit

References

edit
  1. ^ a b c "GNIS Detail - Gravelly Branch". geonames.usgs.gov. US Geological Survey. Retrieved 19 May 2021.
  2. ^ "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 May 2021.
  3. ^ a b "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 May 2021.
  4. ^ "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 19 May 2021.
  5. ^ a b c "Gravelly Branch Watershed Report". US EPA Geoviewer. US EPA. Retrieved 19 May 2021.