East River (Colorado)
river in Colorado, United States

East River is a 38.3-mile-long (61.6 km) stream in Gunnison County, Colorado, United States. It flows south from Emerald Lake in the Maroon Bells Wilderness to a confluence with the Taylor River that forms the Gunnison River.
The public source identifies “East River (Colorado)” as river in Colorado, United States. This brief keeps that definition visible, then builds a research path around East, River and Colorado.
Why this record matters
A short description can identify a subject without explaining its stakes. For “East River (Colorado)”, the useful work is to connect “river in Colorado, United States” to the records capable of establishing context and consequence.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Feb 26, 2026. The linked authority identifier is Q5329267. VIAF identifies the subject as 315150784. The Library of Congress control number is sh2004009681. Authority coordinates are 38.664, -106.847. 1 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. 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
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “East River (Colorado)”, its source revision and the description used here.
- Expand the search: follow East River (Colorado) primary sources, East River (Colorado) archive and East 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
- Which source most directly establishes the central claim about “East River (Colorado)”?
- Which authority defined the place, boundary or structure at the relevant date?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “East River (Colorado)” 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.