Evidence
9 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-9).
-
[1]research packet ug-packet.md (1 sources cited) [other_primary]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Evidence ID
- uss-lsm-273-lsm273-pkt-ug-packet-md
-
[2]NavSource Online, Amphibious Photo Archive, USS LSM-273 hull page [other_primary]
- Locator
- Chronology and final-disposition entries; live page verified HTTP 200
- Finding type
- vessel_history
- Finding
- The hull page reports that USS LSM-273 was decommissioned 25 September 1947, with a strike date listed as unknown, and sold 1 March 1948 to Crowley Launch & Tugboat Co. in San Francisco for conversion to a barge; its subsequent fate is unknown.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1947-1948
- Limitations
- Supports the reported decommissioning and sale, but no shipbreaking, conversion, hazmat, asbestos, or later-location record was located.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-05
-
[3]Archived Naval History and Heritage Command, Pacific Typhoon October 1945 - Okinawa [nhhc_danfs]
- Locator
- Archived vessel-status table under the October 1945 Okinawa typhoon report
- Finding type
- historical_record
- Finding
- The archived NHHC October 1945 Pacific Typhoon at Okinawa record lists LSM 273 as grounded during the storm at Okinawa.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1945-10-09
- Population
- LSM-273 crew and Okinawa naval forces
- Limitations
- The archived NHHC record establishes the listed grounding status only. The live NHHC successor URL returned 404; the record does not state the extent of damage, repairs, asbestos, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-03
-
[4]NavSource Online, USS LSM-273 specifications [other_primary]
- Locator
- Specification block; live page verified HTTP 200
- Finding type
- historical_record
- Finding
- The hull page reports a complement of 5 officers and 54 enlisted, troop accommodations for 2 officers and 46 enlisted, and two General Motors model GM 16-278A reversible diesel engines with hydraulic clutches, direct drive, 1,440 BHP each at 720 rpm, twin propellers, and 2,800 shp. It also reports two diesel-drive 100-kW AC generators and one diesel-drive 20-kW DC generator.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944-1947
- Population
- LSM-273 ship's company and embarked troops
- Limitations
- Supports the reported complement and propulsion specifications only. It does not identify asbestos-containing components or establish that any machinery, gasket, packing, electrical, or deck material contained asbestos.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-04
-
[5]U.S. General Accounting Office, Navy Efforts To Protect Workers From Asbestos Exposure, HRD-80-2 (18 October 1979) [gao]
- Locator
- Report pp. 1 and 10-11; Navy-wide applications and policy context
- Finding type
- gov_survey
- Finding
- GAO's HRD-80-2 describes Navy-wide asbestos applications including thermal insulation for machinery, equipment, and piping systems; Navy ship decks; piping gaskets and packing; and equipment brakes and clutches. The report does not identify USS LSM-273 or establish that any listed material was installed aboard this hull.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-10-01
- Study period
- 1975-1979
- Population
- U.S. Navy ships and shipyard workers covered by the 1979 review
- Limitations
- Navy-wide context, not hull-specific evidence. It does not establish any asbestos-containing product aboard LSM-273, quantity, location, condition, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-06
-
[6]Documented bounded source-review negative; see search_ledger sl-uss-lsm-273-lsm273-01 through -08 [other_primary]
- Locator
- Bounded review of hull history, archived NHHC record, NARA guide, GAO material, NVR search, and official-source search results
- Finding type
- historical_record
- Finding
- No ship-specific asbestos survey, product inventory, abatement record, condition report, hazmat disclosure, or disposal record for LSM-273 was located in the bounded authoritative-source review. Ship-specific asbestos documentation and asbestos presence aboard remain unknown.
- Verification
- partial
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 2026-10-01
- Limitations
- A bounded public-source negative is not proof asbestos was absent. Non-digitized Navy, shipyard, inspection, maintenance, conversion, and disposal records were not reviewed; no product, quantity, location, condition, exposure, or causation is established.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-07
-
[7]National Archives, Researching Asbestos aboard US Naval Vessel up through 1961 [other_primary]
- Locator
- Beginning Research; RG 19 correspondence and Amphibious Vessel General Information Books; RG 38 amphibious-vessel inspection reports; engineering-drawing discussion
- Finding type
- historical_record
- Finding
- NARA's research guide identifies Bureau of Ships Record Group 19 correspondence, amphibious-vessel General Information Books, ship engineering drawings, and Record Group 38 amphibious-vessel inspection reports as research paths for vessel-specific asbestos investigation. No LSM-273 file from those series was requested or inspected.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- context_only
- Accessed
- 2026-10-01
- Study period
- Records through 1961
- Population
- Researchers examining U.S. naval-vessel asbestos records through 1961
- Limitations
- NARA's guide is an archival research roadmap, not a vessel history or evidence of asbestos aboard LSM-273. The relevant hull-specific records remain unreviewed.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-08
-
[8]NavSource Online, Amphibious Photo Archive, USS LSM-273 hull page [other_primary]
- Locator
- Chronology block; live page verified HTTP 200
- Finding type
- vessel_history
- Finding
- The live hull page reports that LSM-273 was laid down 19 July 1944 at Federal Shipbuilding and Dry Dock Co., Newark, New Jersey; launched 26 August 1944; and commissioned as USS LSM-273 on 19 September 1944 with Lt. (j.g.) Marvin Rea Davis, USNR, in command.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944
- Population
- Federal Shipbuilding construction workforce and commissioning crew
- Limitations
- The live page supports the reported construction and commissioning chronology but is not a Navy DANFS page. It does not identify asbestos, insulation composition, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-01
-
[9]NavSource Online, Amphibious Photo Archive, USS LSM-273 hull page [other_primary]
- Locator
- World War II assignment block
- Finding type
- vessel_history
- Finding
- The hull page reports that during World War II USS LSM-273 was assigned to the Asiatic-Pacific Theater with LSM Flotilla One, LSM Group Three, and LSM Division Six.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944-1945
- Population
- LSM-273 crew and Pacific amphibious forces
- Limitations
- Supports the listed theater and organization assignment only; it is not a complete voyage or operation chronology and does not establish asbestos or exposure.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-273-lsm273-02