CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Pittsburg-Weir Coalfield

Open-knowledge reference entry

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 11, 2025
Entity authorityQ7199185 ↗
Source-derived summary

The Pittsburg-Weir Coalfield, also known as Weir-Pittsburg Coalfield and Cherokee Coalfield, is a coalfield located in Cherokee and Crawford counties in the southeast corner of Kansas.

The first underground shaft mine was built in the region in 1874 near Scammon. Prior to that, there was scattered small-scale drift mining and surface mining of coal, but the construction of the first shaft mine ushered in an era which eventually led to as many as 290 significant mines and numerous other small ("dinky") mines in the two counties. The most active period of mining in the region was 1890-1910, and most of the coal camps were dismantled by the 1930s or 1940s. Mechanized strip mining overtook underground mining in output in 1931, and that combined with competition from eastern coal led to a demise in importance of underground mining in the region.

Santa Fe Mining Company

A major mining disaster took place November 9, 1888 in shaft 2 of the Santa Fe Mining Company mine near Frontenac, Kansas when 150 miners lost their lives in an explosion.

Pittsburg & Midway Coal Company

One of the oldest continuously running coal companies in the United States was the Pittsburg & Midway Coal Company, founded in Pittsburg, Kansas in 1885. It lasted under that name even after its move to Denver, Colorado when the Kansas mines closed, until September 2007, when Chevron which owned the company, merged it with its Molycorp Inc. coal mining division to form Chevron Mining, thus ending the Pittsburg corporate name.

The name Pittsburg & Midway Coal Company was purchased from Chevron in 2008 and refounded in Midway Kansas.

Editorial summary

Begin with the source’s own compact description: “Pittsburg-Weir Coalfield” is open-knowledge reference entry. The dossier treats that line as a proposition to test through Pittsburg-Weir, Coalfield and Open-knowledge, not as a finished interpretation.

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—1874, 1890, 1910, 1931—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Pittsburg-Weir, Coalfield and Open-knowledge is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “open-knowledge reference entry” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 11, 2025. The linked authority identifier is Q7199185. Authority coordinates are 37.450, -94.760. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1874, 1890, 1910 and 1931.

Critical limits

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.

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 “Pittsburg-Weir Coalfield”, its source revision and the description used here.
  2. Expand the search: follow Pittsburg-Weir Coalfield primary sources, Pittsburg-Weir Coalfield archive and Pittsburg-Weir 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 “Pittsburg-Weir Coalfield”?
  2. Which cited source is closest to the event, object or claim?
  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 “Pittsburg-Weir Coalfield” 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.