Question: Lithia Springs Creek, is a tributary of which major river located in the northeastern United States, at 464 mi long, it is the longest river on the East Coast?
Context: Lithia Springs is a census-designated place and unincorporated area, formerly incorporated as a city, located in northeastern Douglas County, Georgia, United States.  As of the 2010 census, the community had a population of 15,491.  The area is named for its historic "lithia" mineral water springs. Rattlesnake Creek is a tributary of Spring Brook in Lackawanna County, Pennsylvania, in the United States.  It is approximately 5.0 mi long and flows through Spring Brook Township.  The watershed of the creek has an area of 9.18 sqmi .  The creek has one named tributary, which is known as Six Springs Creek.  Rattlesnake Creek is inhabited by wild trout and part of it is considered to be Class A Wild Trout Waters.  A dammed lake known as Maple Lake is located near its headwaters.  The surficial geology in the area mainly consists of Wisconsinan Till and bedrock, with some alluvium, Wisconsinan Ice-Contact Stratified Drift, wetlands, and peat bogs. Johnson Creek (also known as Johnson's Creek) is a tributary of Lithia Springs Creek in Northumberland County, Pennsylvania, in the United States.  It is approximately 2.3 mi long and flows through Point Township.  The watershed of the creek has an area of 4.09 sqmi .  It has no named tributaries, but has at least one unnamed tributary.  A ridge known as Montour Ridge is in the watershed of the creek and a ravine with high levels of biodiversity is present on one if its tributaries.  The creek is considered to be a Coldwater Fishery and a Migratory Fishery. The Susquehanna River ( ; Lenape: Siskëwahane) is a major river located in the northeastern United States.  At 464 mi long, it is the longest river on the East Coast of the United States that drains into the Atlantic Ocean, via the Chesapeake Bay.  With its watershed, it is the 16th-largest river in the United States, and the longest river in the early 21st-century continental United States without commercial boat traffic. The Jemez River is a tributary of the Rio Grande in the U.S. state of New Mexico.  The river is formed by the confluence of the East Fork Jemez River and San Antonio Creek, which drain a number of tributaries in the area of the Jemez Mountains and Santa Fe National Forest.  The Jemez River is about 50 mi long, or about 80 mi long if its longest headwater tributary, San Antonio Creek, is included.  The East Fork Jemez River is about 22 mi long.  Both San Antonio Creek and the East Fork Jemez River flow through intricate meanders along their courses.  The East Fork Jemez is a National Wild and Scenic River. Blue Springs Creek Conservation Area consists of 859 acre about 2.5 mi southwest of Bourbon, Missouri.  It is named for, and crossed by, Blue Springs Creek for 3.7 mi , which flows into the Meramec River at the area's eastern boundary.  The creek is fed by four springs located on private property in its watershed.  Blue Springs Creek is managed for rainbow trout, while the area supports abundant populations of white-tailed deer, wild turkey, and squirrels.  Current management is focused on improving quail habitat.  Hunting and fishing are permitted as long as appropriate regulations are followed. FishHawk is an affluent unincorporated area and census-designated place (CDP) in Hillsborough County, Florida, United States.  It is a suburb of Tampa, Florida, and includes a portion of the community of Lithia.  As of the 2010 census, the CDP had a population of 14,087, up from 1,991 at the 2000 census.  The place name is derived from Little Fish Hawk Creek, a tributary of the Alafia River that joins the Alafia just west of Lithia Springs. Lithia Springs Creek (also known as Johnsons Run or Lithia Spring Creek) is a tributary of the Susquehanna River in Northumberland County, Pennsylvania, in the United States.  It is approximately 3.2 mi long and flows through Point Township.  The watershed of the creek has an area of 8.96 sqmi .  It has a named tributary known as Johnson Creek.  Waste of various types is discharged into Lithia Springs Creek from a variety of sources.  At least one bridge more than 20 ft long crosses the creek.  The creek is considered to be a Coldwater Fishery and a Migratory Fishery.  It is inhabited by wild trout and possibly a few other species of fish. Lithia Springs High School is a public high school located on East County Line Road, in Lithia Springs, Georgia, United States.  It is also known as Lithia Springs Comprehensive High School.  It was the second high school to open in the Douglas County School District. The Wailuā River is a major river on the island of Kauaʻ i in the U.S. state of Hawaii.  At 20 mi long, it is Kauai's largest and longest river, as well as Hawaii's 2nd longest river.  It is formed by the confluence of its North and South forks just west of Wailua and enters the Pacific Ocean at .  It is the only navigable river (by boats larger than kayaks) in the Hawaiian Islands.  It is a center of activity for locals and visitors in the form of boat tours to Fern Grotto, kayaking and water skiing.
Answer: Susquehanna River