Mile 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 ...

White Deer Creek White Deer Creek is a tributary of the West Branch Susquehanna River in Centre County and Union County, in Pennsylvania, in the United States. It is approximately long and flows through Miles Township in Centre County and Hartley Township, L ...

Union County, Pennsylvania Union County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 42,681. Its county seat is Lewisburg. The county was created on March 22, 1813, from part of Northumberland County. Its name is an allusio ...

, in the United States. It is approximately long and flows through West Buffalo Township. The watershed of the stream has an area of . It has been described as a "spring run". Wild

trout Trout are species of freshwater fish belonging to the genera '' Oncorhynchus'', ''Salmo'' and ''Salvelinus'', all of the subfamily Salmoninae of the family Salmonidae. The word ''trout'' is also used as part of the name of some non-salmoni ...

naturally reproduce within the stream and numerous

bryophyte The Bryophyta s.l. are a proposed taxonomic division containing three groups of non-vascular land plants (embryophytes): the liverworts, hornworts and mosses. Bryophyta s.s. consists of the mosses only. They are characteristically limited in ...

species have been observed in its vicinity.

Course

Mile Run begins in a valley between Fawn Ridge and Pine Flat in West Buffalo Township. It flows east-northeast through the valley for several tenths of a mile before receiving 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 ...

. It then gradually turns south, receiving another unnamed tributary from the left. At this point, the stream turns south for several tenths of a mile, passing between Pine Flat and Little Mountain. It then reaches the end of its valley and crosses

Interstate 80 Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from downtown San Francisco, California, to Teaneck, New Jersey, in the New York metropolitan area. The highway was designated in 1956 as one o ...

before turning east-southeast. A short distance further downstream, the stream reaches its confluence with White Deer Creek. Mile Run joins White Deer Creek 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 Mile 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. Mile Run has been described as a "

spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a ...

run".

Watershed and hydrology

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 Mile Run has an area of . The stream is entirely within 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 Williamsport SE. Its mouth is situated near White Deer. A total of of the watershed of Mile Run is in Union County. The average daily

discharge Discharge may refer to Expel or let go * Discharge, the act of firing a gun * Discharge, or termination of employment, the end of an employee's duration with an employer * Military discharge, the release of a member of the armed forces from serv ...

of Mile Run is .

History

Mile 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 1181098. The White Deer Valley Railroad, which was incorporated on December 11, 1900, passed in the vicinity of Lick Run. It was built in 1901 and was owned by John Duncan as a logging railroad. However, it was sold to the White Deer Lumber Company and became the White Deer and Loganton Railroad on April 17, 1906.

Biology

Wild

naturally reproduce in Mile Run for a total of of its length. The trout species in the stream is

brook trout The brook trout (''Salvelinus fontinalis'') is a species of freshwater fish in the char genus ''Salvelinus'' of the salmon family Salmonidae. It is native to Eastern North America in the United States and Canada, but has been introduced elsewhere ...

. A variety of

species were observed in the vicinity of Mile Run on July 29, 1995. Approximately 20 species were observed, including '' Hygroamblystegium tenax'', '' Hypnum pallescens'', '' Platyhypnidium riparioides'', '' Platylomella lescurii'', '' Hypnum lindbergii'', and numerous others.

References