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Lagoa de São Francisco

municipality of Piauí state, Brazil

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 25, 2026
Entity authorityQ1114540 ↗
Source-derived summary

Lagoa de São Francisco is a municipality in the state of Piauí in the Northeast region of Brazil.

The municipality contains part of the 1,592,550-hectare (3,935,300-acre) Serra da Ibiapaba Environmental Protection Area, created in 1996.

Editorial summary

The public source identifies “Lagoa de São Francisco” as municipality of Piauí state, Brazil. This brief keeps that definition visible, then builds a research path around Lagoa, Francisco and municipality.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1996—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Lagoa, Francisco and municipality providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Lagoa de São Francisco”, the useful work is to connect “municipality of Piauí state, Brazil” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 25, 2026. The linked authority identifier is Q1114540. Authority coordinates are -4.392, -41.601. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1996.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. 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.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Lagoa de São Francisco”, its source revision and the description used here.
  2. Expand the search: follow Lagoa de São Francisco primary sources, Lagoa de São Francisco archive and Lagoa research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Lagoa de São Francisco”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Lagoa de São Francisco” 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.