Bula (river)
river in Chuvashia and Tatarstan, Russia
The Bula (Russian: Була; Chuvash: Пăла, Păla; Tatar: Бола) is a river in the Chuvash Republic and the Republic of Tatarstan, Russia, a left-bank tributary of the Sviyaga. Its length is 118 kilometres (73 mi) and its drainage basin is 1,580 square kilometres (610 mi2). It originates in the Chuvash Republic and falls into the Sviyaga River south of Devlikeyevo.
Major tributaries are the Cheremshan and the Malaya Bula. The maximum mineralization is 700–1000 mg/L. Batyrevo, the administrative center of Batyrevsky District of the Chuvash Republic, is located on the river.
The public source identifies “Bula (river)” as river in Chuvashia and Tatarstan, Russia. This brief keeps that definition visible, then builds a research path around Bula, river and Chuvashia.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Bula (river)”, the useful work is to connect “river in Chuvashia and Tatarstan, Russia” to the records capable of establishing context and consequence.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Sep 12, 2026. The linked authority identifier is Q2997199. Authority coordinates are 55.205, 48.386. 3 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 1000.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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 “Bula (river)”, its source revision and the description used here.
- Expand the search: follow Bula (river) primary sources, Bula (river) archive and Bula 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 “Bula (river)”?
- 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 “Bula (river)” 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.