Harrisburg Run
stream in Pennsylvania and New York, United States

Harrisburg Run is a 3.41 mi (5.49 km) long first-order tributary to Foster Brook. This is the only stream of this name in the United States.
Course
Harrisburg Run rises in Harrisburg, a small hamlet in the southwest corner of the town of Allegany in Cattaraugus County, New York, and then flows southwest in McKean County, Pennsylvania to meet Foster Brook about 0.5 miles (0.80 km) west of Derrick City, Pennsylvania.
Watershed
Harrisburg Run drains 4.02 square miles (10.4 km2) of area, receives about 45.2 in/year (115 cm/year) of precipitation, and is about 92.47% forested.
The public source identifies “Harrisburg Run” as stream in Pennsylvania and New York, United States. This brief keeps that definition visible, then builds a research path around Harrisburg, stream and Pennsylvania.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Harrisburg Run”, the useful work is to connect “stream in Pennsylvania and New York, United States” to the records capable of establishing context and consequence.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 3, 2026. The linked authority identifier is Q116549127. Authority coordinates are 41.973, -78.589. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 1 use preferred rank.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
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The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Harrisburg Run”, its source revision and the description used here.
- Expand the search: follow Harrisburg Run primary sources, Harrisburg Run archive and Harrisburg research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
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This entry incorporates text from “Harrisburg Run” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.