# N G TRANSMISSION — Gas transmission and gathering annual report (1998)

**Citation:** PHMSA Annual Report 19980910 (1998)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1998-12-31

Gas transmission and gathering; reporting year 1998; WY. Operator-reported infrastructure data.

## Document text

Gas transmission and gathering annual report for reporting year 1998, submitted by N G TRANSMISSION (operator 31247). Reported scope: WY. Represented states: WY. The sortable date is the reporting-period end, not the operator submission date.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/d/aemm-7pyq>
- Source ID: `phmsa-annual-reports`
- SHA-256: `cc1274763ecd7b7ab1f8d1a76875e2bc42e485e5a6f3d8978bc1fd0948a16b3c`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-26T19:40:06.442Z
- Document slug: `phmsa-annual-92a86b48da33cd965916b7aa`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "gas_transmission_gathering",
  "reportYear": 1998,
  "reportNumber": "19980910",
  "supplementalNumber": null,
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "31247",
    "name": "N G TRANSMISSION"
  },
  "region": "WY",
  "commodity": null,
  "representedStates": [
    "WY"
  ],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {},
  "dependentRowsBySheet": {},
  "dataAsOf": null,
  "reportingPeriodEnd": "1998-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_gas_transmission_gathering_1970_2000.zip",
    "archiveSha256": "0045b2ed5b6e0037084234547050cf80d07aa8c8444155af8f8c651a8b2d0bdd",
    "workbook": "annual_gas_transmission_gathering_1998.xlsx",
    "sheet": "GTGG AR 1998",
    "rowNumber": 698,
    "sourceRowNumbers": [
      698
    ],
    "rowSha256": "f4bd195386c4a6d957d7822f6d7e4c585c42f385a40629f3f3932808e7f8ec43"
  },
  "caveat": "Operator-reported annual infrastructure data may be corrected. The indexed date is the reporting-period end, not the submission date, and the record is not an agency finding about current facility condition.",
  "jurisdiction": "US",
  "operatorName": "N G TRANSMISSION"
}
```