CACrown ArchivesThe cinema collection
Menu
Research dossier · Places & Architecture

Denfeld Mountains

Mountain group in Marie Byrd Land, Antarctica

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 11, 2026
Entity authorityQ5256907 ↗
Source-derived summary

The Denfeld Mountains (76°55′S 144°45′W) are a group of scattered mountains between Crevasse Valley Glacier and Arthur Glacier in the Ford Ranges of Marie Byrd Land, Antarctica.

Location

The Denfeld Mountains are on the Saunders Coast of Marie Byrd Land.

They are to the east of Radford Island in the Sulzberger Ice Shelf, south of the Crevasse Valley Glacier and the Fosdick Mountains, and north of the Arthur Glacier and the Sarnoff Mountains. The Gutenko Nunataks are to the northeast.

Features in the northwest include Saunders Mountain, Skua Gull Peak, Mount Stancliff, Lichen Peak, Teardrop Pond, Greegor Peak, Passel Pond, Mount Passel, Mount Fulton and Tomandl Nunatak.

Features in the northeast include the Wiener Peaks, Greer Peak, Morriss Peak and Mount Edwards.

Features in the south include the Swanson Mountains, Mount Fonda, Mount Crabtree, Mount Treadwell, Wells Ridge, Mount Gilmour, Mount Ralph, Mount McCormick, Mount Little, Mount Swan and Post Ridge.

Exploration and name

The mountains were explored by the Byrd Antarctic Expeditions (ByrdAE; 1928–30 and 1933–35) and by the United States Antarctic Service (USAS; 1939–41) all led by Rear Admiral Richard E. Byrd. They were named for Admiral Louis E. Denfeld, Chief of Naval Operations and a member of the Joint Chiefs of Staff (1947–49), who helped in the planning and organization of Operation Highjump (1946–47) for which Byrd was leader.

Northwest features

Saunders Mountain

76°53′S 145°42′W.

A massive islandlike mountain rising to 975 metres (3,199 ft) high at the west end of Denfeld Mountains.

Editorial summary

Begin with the source’s own compact description: “Denfeld Mountains” is mountain group in Marie Byrd Land, Antarctica. The dossier treats that line as a proposition to test through Denfeld, Mountains and Mountain, not as a finished interpretation.

Editorial reviewMost useful as a place-based finding aid connecting the present description to earlier jurisdictions, maps and built evidence. The current lead gives the account dated anchors—1928, 1933, 1939, 1947—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Denfeld, Mountains and Mountain is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “mountain group in Marie Byrd Land, Antarctica” 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

The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Aug 11, 2026. The linked authority identifier is Q5256907. Authority coordinates are -76.917, -144.750. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1928, 1933, 1939 and 1947.

Critical limits

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.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “Denfeld Mountains”, its source revision and the description used here.
  2. Expand the search: follow Denfeld Mountains primary sources, Denfeld Mountains archive and Denfeld 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 “Denfeld Mountains”?
  2. Which authority defined the place, boundary or structure at the relevant date?
  3. What physical evidence or contemporary plan supports the description?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Denfeld Mountains” 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.