Oak Run (also known as Whiteoak Run) is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of Wolf Run in

Lycoming County, Pennsylvania Lycoming County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 114,188. Its county seat is Williamsport. Lycoming County comprises the Williamsport metropolitan statistical area. About northwest ...

, in the United States. It is approximately long and flows through Muncy Township. The watershed of the stream has an area of . The stream is relatively small and flows through a narrow valley. A school district was in the valley in the early 1900s, but the school closed in 1948.

Course

Oak Run begins in a valley to the southeast of Long Hill in Muncy Township. It flows southwest through the valley for several tenths of a mile, receiving an unnamed tributary from the

right Rights are law, legal, social, or ethics, ethical principles of Liberty, freedom or entitlement; that is, rights are the fundamental normative rules about what is allowed of people or owed to people according to some legal system, social convent ...

and passing through a small

pond A pond is an area filled with water, either natural or artificial, that is smaller than a lake. Defining them to be less than in area, less than deep, and with less than 30% emergent vegetation helps in distinguishing their ecology from th ...

. The stream then turns south-southwest for several tenths of a mile, passing through another small pond before turning south. A few tenths of a mile further downstream, it leaves its valley and turns south-southeast for several tenths of a mile. The stream then receives an unnamed tributary from the

left Left may refer to: Music * ''Left'' (Hope of the States album), 2006 * ''Left'' (Monkey House album), 2016 * "Left", a song by Nickelback from the album ''Curb'', 1996 Direction * Left (direction), the relative direction opposite of right * L ...

and turns south-southwest for a few tenths of a mile before crossing

US Route 220 U.S. Route 220 (US 220) is a spur route of US 20. It runs in a north–south layout in the eastern United States, unlike its parent route as well as conventionally even-numbered highways which run east-west. US 220 extends for fr ...

. It then continues south-southwest for a few tenths of a mile before reaching its confluence with Wolf Run. Oak Run joins Wolf Run upstream of its mouth.

Geography and geology

The elevation near the

mouth In animal anatomy, the mouth, also known as the oral cavity, or in Latin cavum oris, is the opening through which many animals take in food and issue vocal sounds. It is also the cavity lying at the upper end of the alimentary canal, bounded on ...

of Oak Run is above

sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised g ...

. The elevation of the stream's

source Source may refer to: Research * Historical document * Historical source * Source (intelligence) or sub source, typically a confidential provider of non open-source intelligence * Source (journalism), a person, publication, publishing institute o ...

is above sea level. The valley of Oak Run is relatively narrow and is about long. At its southeastern end, it enters the Muncy Valley. Oak Run itself is a small stream. There are beds of the upper

Mahantango Formation The Devonian Mahantango Formation is a mapped bedrock unit in Pennsylvania, West Virginia, and Maryland. It is named for the North branch of the Mahantango Creek in Perry and Juniata counties in Pennsylvania. It is a member of the Hamilton Group, ...

in the vicinity of Oak Run; these underlie the Tully Limestone. The upper Mahantango Formation beds in this area contain brown

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especial ...

and white clayey shale.

Sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

of the

Trimmers Rock Formation Trimmer may refer to: * Trimmer (construction), beam used in construction * Trimmer (electronics), small electrical component * Trimmer (gardening), gardening power tool * Trimmer (surname) * Trimmer, California, community in Fresno County * La ...

also occurs in the stream's vicinity.

Watershed, hydrology, and biology

The

watershed Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...

of Oak Run has an area of . The mouth of the stream is in the

United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...

quadrangle of Muncy. However, its source is in the quadrangle of Huntersville. The mouth of the stream is located near Pennsdale. In the late 1960s and/or early 1970s, Oak Run was "moderately depressed" due to concrete waste slug. Fishes in the stream were seriously impacted.

History

Oak Run was entered into the

Geographic Names Information System The Geographic Names Information System (GNIS) is a database of name and locative information about more than two million physical and cultural features throughout the United States and its territories, Antarctica, and the associated states of ...

on August 2, 1979. Its identifier in the Geographic Names Information System is 1182798. The stream is also known as Whiteoak Run. This variant name appears in Andrew Sherwood and Franklin Platt's ''The Geology of Lycoming County'', which was published in 1880. In 1912, the

County Commissioners A county commission (or a board of county commissioners) is a group of elected officials (county commissioners) collectively charged with administering the county government in some states of the United States; such commissions usually comprise ...

of Lycoming County completed plans for a concrete bridge over Oak Run. The Oak Run School District was historically located in the valley of Oak Run. In the early 1900s, the stream was lined with the houses of people who attended the school. An outbreak of

diphtheria Diphtheria is an infection caused by the bacterium '' Corynebacterium diphtheriae''. Most infections are asymptomatic or have a mild clinical course, but in some outbreaks more than 10% of those diagnosed with the disease may die. Signs and s ...

occurred in the Oak Run School District in 1914 and 1915. The school closed in 1948.

References

{{authority control Rivers of Lycoming County, Pennsylvania Tributaries of Muncy Creek Rivers of Pennsylvania

Course

Geography and geology

Watershed, hydrology, and biology

History

See also

References