Evidence
11 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-11).
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[1]research packet zck-packet.md (2 sources cited) [other_primary]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Evidence ID
- uss-feldspar-ix159-pkt-zck-packet-md
-
[2]Dictionary of American Naval Fighting Ships (NHHC), 'Feldspar' (IX-159) entry - transcription at hazegray DANFS mirror (canonical NHHC page defunct; same link-rot standing issue as Batch-01) [nhhc_danfs]
- Locator
- DANFS IX-volume transcription, 'Feldspar' paragraph
- Finding type
- vessel_history
- Finding
- DANFS records: 'Feldspar (IX-159), a concrete barge, was acquired by the Navy and placed in service on 11 August 1944. She was towed to the Philippine Islands where she provided Army and Marine Corps supplies. Feldspar was stricken from the Navy List on 28 August 1946 and sold.' Former name retained.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1944-1946
- Limitations
- Official U.S. Navy ship history but terse (auxiliary-craft entry); contains no builder, keel/launch, propulsion, crew, or asbestos information. Does not establish presence or absence of asbestos aboard.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-01
-
[3]U.S. Maritime Administration, Vessel History Database - FELDSPAR (IX-159), Ship History Detail 5901, including digitized U.S. Maritime Commission vessel status cards (front: 2B6_01.png; back: 5901_AF.jpg) [marad_nrc]
- Locator
- MARAD ShipHistory Detail 5901; status card images https://vesselhistory.marad.dot.gov/cards/2B6_01.png and https://vesselhistory.marad.dot.gov/cards/5901_AF.jpg
- Finding type
- vessel_history
- Finding
- MARAD/USMC status card (primary scan): FELDSPAR (IX-159), concrete barge B7-D1, hull no. 1333, built by Barrett & Hilp at So. San Francisco, Cal., completed 8-11-44; 'Basis to W.S.A. 8-11-44 @ So. San Francisco, Cal.' and returned '8-7-46 10am @ Subic Bay, P.I. from Navy'; owned by USMC and allocated to Navy Dept. under 'Purch.' agreement (delivered 8-11-44); to Reserve Fleet at Subic Bay; 'WSA DEC'L: LV-135 - dated 10/22/46'; typed sale line: 'Sold March 16, 1948 for unrestricted use together with the BARITE to Asia Developement Corp. under PDX-428 for the lump sum of $9,250.' Card characteristics: built 1944; dimensions 366'4" x 54' x 35'; gross 4,338 tons; DWT 5,687; displacement 10,950; construction cost $1,230,000.00; owner USMC; location 'Subic Bay R.F.'; fate 'Sold - No Further Info.'
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1944-1948
- Limitations
- Primary government custody document - authoritative for ownership, allocation, return-to-WSA and sale facts. Contains no asbestos, materials, or condition-survey information; supports no asbestos claim. Handwritten front-card annotations (DWT correction; 'Act 1936'-type sale-authority note) partially legible.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-02
-
[4]Maes v. Barrett & Hilp, 27 BRBS 128 (1993), BRB Nos. 90-881 and 90-881A (Benefits Review Board, U.S. Department of Labor) - published Decision and Order [court_record]
- Locator
- Decision and Order, p. 1-2 (facts section), citing Cl. Ex. 7 at 73
- Finding type
- litigation_product_id
- Finding
- Final administrative adjudication (ALJ award of LHWCA survivor's benefits affirmed by the Benefits Review Board): the record reflects that in June 1942 Barrett & Hilp 'contracted with the United States Maritime Commission to construct a shipyard on federal land in South San Francisco and to build 26 concrete barges at the facility' and that 'on August 11, 1943, employer subcontracted with Asbestos Company of California to supply insulation containing asbestos for installation on the barges.' The decedent yard worker (two weeks' employment at the yard in 1943) died of pulmonary asbestosis in 1986. MC hull 1333 (this vessel) was built at that yard within the covered contract and window (keel 1943-11-03, completed 1944-08-11).
- Verification
- verified
- Role
- supporting
- Documentation level
- class_or_era
- Accessed
- 2026-09-29
- Study period
- 1943 (subcontract/exposure); 1993 (decision)
- Population
- Shipyard construction trades, Belair Shipyard, South San Francisco (1943-1944 barge program)
- Limitations
- Merits-stage adjudicated finding, but program-level: the decision documents an asbestos-insulation subcontract for the Belair Shipyard barge program, not this hull specifically - it does not itemize which hulls, or which spaces aboard any barge, received the material. The claim concerned a construction worker's yard exposure, not service aboard. Whether insulation aboard hull 1333 was asbestos-containing is unverified at hull level.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-03
-
[5]Stephen S. Roberts, 'USS Trefoil (IX-149) Class' - shipscribe.com class record compiled from U.S. Navy and Maritime Commission records (construction table, disposition table, class notes, ship notes) [other_primary]
- Locator
- Construction table (IX-159 row); Disposition table (IX-159 row); Class notes 'IX 158-164'; Ship notes IX-159
- Finding type
- vessel_history
- Finding
- Class record for the thirteen Navy-acquired B7-D1 concrete barges: FELDSPAR (IX-159, MC hull 1333) - keel 1943-11-03, launched 1944-01-22, acquired/placed in service 1944-08-11, builder Barrett & Hilp; out of service 1946-08-07; struck 1946-08-28; returned to MC 1946-08-07 (fate 'MC/D'); ship note: 'Ex merc. FELDSPAR. Army and Marine Corps stores issue barge. To MC at Subic Bay 1946. To buyer (Asia Development Corp.) 23 Apr 48 for operation.' Class notes document that all class barges 'were placed in service, not in commission,' and that the IX 158-164 group (incl. IX-159) was converted by the builder during construction to stores-issue (GSK) configuration - 'tween deck installed in holds - per the same specifications as IX 149-154, crew increased from 16 (basic barge) to about 53 for the GSK conversion.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1943-1948
- Limitations
- Scholarly compilation of Navy/MC record data (NARA-derived), not itself a primary document; generally reliable for dates/milestones but its 'MA Sale 22 Mar 48' column conflicts with the primary status card's 'Sold March 16, 1948' - card date adopted as controlling. Contains no asbestos or materials information.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-04
-
[6]NavSource Online: Service Ship Photo Archive - Feldspar (IX-159) page (specifications, service summary, awards, photo caption) [other_primary]
- Locator
- NavSource IX-159 page, specifications block and photo caption 094615901
- Finding type
- vessel_history
- Finding
- Volunteer-compiled archive page: built 1944 as MC type B7-D1 concrete-hulled barge under MC contract 1333 at Barrett, Hilp & Belair Shipyard, San Francisco; acquired by Navy and placed in service 1944-08-11; Asiatic-Pacific Theater service; struck 1946-08-28; final disposition fate unknown; awards American Campaign Medal, Asiatic-Pacific Campaign Medal, WWII Victory Medal. Specs listed: displacement 5,678 lt / 10,960 fl; length 366'4"; beam 54'; draft 26'; complement 52; cargo capacity 3,000 DWT non-refrigerated, 292,000 cu ft; armament one 40mm + four 20mm AA mounts; diesel fuel 610 bbls; machinery four diesel-drive 60 kW 120V DC ship's service generators. Photo caption documents the barge in tow by British tanker SS Iroquois from Pearl Harbor to Eniwetok (2,548 mi at 7.06 kt) thence to Ulithi (1,376 mi) in a 5,500-ft tow with two other barges.
- Verification
- partial
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1944-1946
- Limitations
- Volunteer-compiled archive; spec sheet source unattributed and one listed fact ('Sold to Asia Development Corp. ... 7 August 1946') conflates the WSA custody return with the actual 1948 sale - see correction row. Live page returned fetch errors; Wayback capture of 2025-01-25 used. No asbestos information.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-05
-
[7]Corn, Jacqueline Karnell, and Jennifer Starr, 'Historical perspective on asbestos: Policies and protective measures in World War II shipbuilding,' American Journal of Industrial Medicine 11(3):359-373 (1987) [other_primary]
- Locator
- AJIM 11(3):359-373
- Finding type
- asbestos_application
- Finding
- Peer-reviewed historical study documenting that asbestos was used extensively as a fireproofing and insulating material in U.S. shipbuilding during WWII - the era and Maritime Commission program under which this 1944 B7-D1 concrete barge was built - and that wartime demand drove unprecedented asbestos utilization aboard government-contracted hulls.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-09-29
- Study period
- 1940s era documented; article 1987
- Population
- WWII shipyard workers and ship crews (era context)
- Limitations
- Program/era-level scholarship covering WWII shipbuilding generally; does not name this vessel, this barge type, or this builder's yard and does not establish that asbestos was or remains aboard this hull, nor quantity, location, condition, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-06
-
[8]Transcribed U.S. Navy Typhoon 'Louise' narrative and vessel damage-assessment table for the 9 October 1945 storm at Buckner Bay (Nakagusuku Wan), Okinawa (private mirror of Navy report text); secondary compiled claim at thecretefleet.com / Wikipedia derivations [other_primary]
- Locator
- rpadden.com transcription, damage table (IX rows); shipscribe ship notes (sisters' groundings); thecretefleet.com Feldspar page (claim origin)
- Finding type
- historical_record
- Finding
- Secondary compiled sources (thecretefleet.com vessel page, repeated on Wikipedia) report that Feldspar parted her towline in Typhoon Jean on 1945-09-30 while under tow toward Okinawa, was driven ashore at Baten Ko, Buckner Bay, during Typhoon Louise on 1945-10-09, was refloated, and departed for Subic Bay under tow by USS Pawnee on 1946-01-25. NOT confirmed in the authoritative/compiled records searched: the shipscribe class ship notes list sister barges Silica (IX-151), Lignite (IX-162), and Cinnabar (IX-163) as grounded in the same typhoon but are silent on IX-159, and the transcribed Navy damage table lists IX 91, IX 110, IX 162, and IX 163 - not IX 159. Resolving records: IX-159 deck logs (NARA RG 24) and Service Squadron / port-director salvage reports (RG 38).
- Verification
- unverified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1945-10
- Limitations
- UNVERIFIED ship-level claim tracing to an enthusiast/secondary compiled site; absence from the transcribed Navy damage table is suggestive but not conclusive (the same table also omits IX-151 Silica, whose grounding is documented elsewhere, so the table is not exhaustive). Treat grounding event as unresolved pending deck-log or war-diary retrieval; no asbestos relevance asserted either way.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-07
-
[9]Batch-4729 search ledger (this record): DANFS/hazegray transcription; MARAD Vessel History Detail 5901 + status cards; shipscribe Trefoil-class record; NavSource page; DOL BRB published decisions; Navy typhoon damage-table transcription; CourtListener opinion searches 'USS Feldspar' and 'IX-159'; NARA record-group mapping [other_primary]
- Locator
- search_ledger rows sl-uss-feldspar-ix159-01 through sl-uss-feldspar-ix159-12
- Finding type
- historical_record
- Finding
- No qualifying ship-specific asbestos record located: no asbestos survey, abatement contract, hazmat disclosure, or docketed case naming the Feldspar (IX-159) hull was found in the public sources searched. CourtListener opinion searches by ship name ('USS Feldspar') returned zero hits and by hull number ('IX-159') returned five name-collision results only (Dell appraisal exhibits, a 1938 larceny case, a 1940 Texas AG opinion) - none vessel-related. The only asbestos litigation located connected to this hull is the construction-program workers' compensation record (Maes v. Barrett & Hilp) documenting the builder's asbestos-insulation subcontract, a yard-level not ship-level finding (see ev-03).
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 2026-09-29
- Limitations
- Absence of a located public record does not prove absence of asbestos aboard - the adjudicated program-level subcontract makes asbestos insulation aboard plausible, but hull application is unverified. Does not establish presence or absence; does not establish or defeat any claim of exposure or legal eligibility.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-08
-
[10]NARA record-group mapping (RG 24 deck logs; RG 178 U.S. Maritime Commission; RG 248 War Shipping Administration; RG 38 CNO operational records) + San Mateo County Historical Association Barrett & Hilp / Belair Shipyard collection [other_primary]
- Locator
- https://www.archives.gov/research/military/logbooks/navy-online ; https://www.archives.gov/research/guide-fed-records/groups/178.html ; https://www.archives.gov/research/guide-fed-records/groups/248.html ; historysmc.pastperfectonline.com Barrett & Hilp collection (catalog 2018.075)
- Finding type
- historical_record
- Finding
- Archival leads (not retrieved - requires research-room or reproduction order; no spend authorized): (a) NARA RG 24 WWII-era deck logs for IX-159 (Aug 1944 - Aug 1946) would resolve the unverified typhoon-grounding claim and detail tow/service events; (b) RG 178 USMC Construction Division contract files for MC hull 1333 / B7-D1 contract actions may hold outfitting and insulation specifications for this barge; (c) RG 248 WSA allocation/custody files including the LV-135 declination list (1946-10-22) and PDX-428 sale file (1948); (d) San Mateo County Historical Association holds the Barrett & Hilp / Belair Shipyard collection including the yard newsletter 'The Belair Cargoman' (1943-44) and period trade-press coverage (Marine News May 1943; Pacific Marine Review Nov 1943).
- Verification
- unverified
- Role
- archival_lead
- Documentation level
- context_only
- Accessed
- 2026-09-29
- Study period
- 1942-1948 records
- Limitations
- Record-group and repository mapping only - no box-level retrieval performed; existence of asbestos-specific documents for hull 1333 is unknown until surveyed in person. Nothing in this row is an asbestos finding.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-09
-
[11]Source-discrepancy check: MARAD/USMC status card (primary) vs shipscribe class table vs NavSource vs secondary accounts (sale date, out-of-service date, complement) [marad_nrc]
- Locator
- MARAD status card 5901_AF.jpg; shipscribe disposition table + ship note; NavSource page; navalcovermuseum.org FELDSPAR IX-159 page
- Finding type
- historical_record
- Finding
- Discrepancies resolved in favor of the primary status card: (a) sale date - typed status-card line 'Sold March 16, 1948 ... under PDX-428' adopted as controlling; shipscribe 'MA Sale' column reads 22 Mar 48 (likely approval/recording vs execution date or transcription variance); NavSource and NavalCoverMuseum list '7 August 1946', conflating the WSA custody return (8-7-46) with the sale; delivery to buyer 1948-04-23 per shipscribe ship note. (b) Out of service - card shows WSA return 1946-08-07 10:00 a.m.; shipscribe agrees; a secondary account says Reserve Fleet transfer 1946-08-05; NavSource lists out-of-service as unknown. (c) Complement - NavSource spec 52 vs shipscribe class-record 53-54 for the GSK conversion; both retained unmerged.
- Verification
- verified
- Role
- correction
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1944-1948
- Limitations
- Resolves publication-level discrepancies among compiled sources in favor of the primary government document; does not affect identity or the asbestos analysis. No asbestos content in any of these sources.
- Atlas source
- true
- Evidence ID
- ev-uss-feldspar-ix159-10