Prong Number One

Prong Number One
Tributary to Gravelly Branch
Location of Prong Number One mouth
Prong Number One (the United States)
Location
CountryUnited States
StateDelaware
CountySussex
Physical characteristics
SourceParker Branch divide
  locationabout 1.5 miles south-southeast of Oakley, Delaware
  coordinates38°47′59″N 075°28′04″W / 38.79972°N 75.46778°W / 38.79972; -75.46778
  elevation44 ft (13 m)
MouthGravelly Branch
  location
about 0.25 miles northwest of Kings Crossroads, Delaware
  coordinates
38°45′09″N 075°27′31″W / 38.75250°N 75.45861°W / 38.75250; -75.45861
  elevation
29 ft (8.8 m)
Length5.78 mi (9.30 km)
Basin size13.38 square miles (34.7 km2)
Discharge 
  locationGravelly Branch (Collins Pond)
  average16.57 cu ft/s (0.469 m3/s) at mouth with Gravelly Branch
Basin features
ProgressionGravelly BranchNanticoke RiverChesapeake BayAtlantic Ocean
River systemNanticoke River
Tributaries 
  leftMaple Marsh and Beaver Dam Branch
  rightunnamed tributaries
BridgesStaytonville Road, DE 16, Smith Haven Road, Beaver Dam Road, Maple Branch Road

Prong Number One is a 5.78 mi (9.30 km) long 3rd order tributary to Gravelly Branch in Sussex County, Delaware.