# Versuchsstollen Hagerbach

> Swiss tunnel used for engineering research

**Wikidata**: [Q2518461](https://www.wikidata.org/wiki/Q2518461)  
**Source**: https://4ort.xyz/entity/versuchsstollen-hagerbach

## Summary
Versuchsstollen Hagerbach is a Swiss tunnel used for engineering research. It is located in the Canton of St. Gallen and is represented in data repositories as both a fixed construction and a research institute.

## Key Facts
- Versuchsstollen Hagerbach is a Swiss tunnel used for engineering research.
- Country: Switzerland.
- Located in: Canton of St. Gallen.
- Coordinates: 47.0764° N, 9.38923° E.
- Instance types: fixed construction; business; research institute.
- GND identifier: 108753884X.
- ROR identifier: 01kfgca96.
- VIAF identifier: 595145857892923020311.
- Grid identifier: grid.438978.9.
- Google Knowledge Graph ID: /g/122rcz2b.
- Wikimedia Commons category: Versuchsstollen Hagerbach.
- Wikipedia language links noted: German (de) and Commons; Wikidata description: "Swiss tunnel used for engineering research."

## FAQs
### Q: What is Versuchsstollen Hagerbach?
A: Versuchsstollen Hagerbach is a tunnel in Switzerland that is used for engineering research.

### Q: Where is Versuchsstollen Hagerbach located?
A: It is located in the Canton of St. Gallen, Switzerland at coordinates 47.0764° N, 9.38923° E.

### Q: How is Versuchsstollen Hagerbach classified in data sources?
A: It is classified as a fixed construction, a business, and a research institute in the available structured data.

### Q: Where can I find more media or documentation?
A: There is a Wikimedia Commons category titled "Versuchsstollen Hagerbach" and a German-language Wikipedia presence referenced in the available metadata.

## Why It Matters
Versuchsstollen Hagerbach matters because it provides dedicated underground infrastructure for engineering research. As a tunnel formally identified and catalogued in multiple authority files and research registries, it serves as a recognized site where engineering questions about underground construction, testing, or related disciplines can be addressed. Its presence in structured data sources (GND, VIAF, ROR, Google Knowledge Graph) and on Wikimedia projects makes it discoverable to researchers, engineers, and institutions seeking documented test sites. Being classified both as a fixed construction and as a research institute indicates an operational role beyond mere infrastructure — it acts as an organized venue for research activities. For professionals in civil and underground engineering, planners, and data curators, Versuchsstollen Hagerbach is a verifiable entity that connects physical testing capacity with bibliographic and organizational records.

## Notable For
- Being explicitly described as a Swiss tunnel used for engineering research.
- Located in the Canton of St. Gallen with precise geographic coordinates.
- Classified simultaneously as a fixed construction, a business, and a research institute in structured data.
- Registered across multiple authority and research identifiers (GND, VIAF, ROR, Google Knowledge Graph).
- Presence in Wikimedia Commons and linked in German-language Wikipedia metadata.

## Body

### Overview
- Name: Versuchsstollen Hagerbach.
- Short description (Wikidata): Swiss tunnel used for engineering research.
- Entity types: fixed construction; business; research institute.

### Location
- Country: Switzerland.
- Canton: St. Gallen.
- Geographic coordinates: latitude 47.0764, longitude 9.38923.
- Grid identifier: grid.438978.9.

### Identifiers and registry entries
- GND ID: 108753884X.
- VIAF ID: 595145857892923020311.
- ROR ID: 01kfgca96.
- Google Knowledge Graph ID: /g/122rcz2b.
- Wikimedia Commons category: "Versuchsstollen Hagerbach".
- Wikipedia language links present for German and Wikimedia Commons (sitelink_count: 2).

### Classification and relationships
- Classified as:
  - fixed construction (physical infrastructure).
  - business (registered as an organizational entity).
  - research institute (organization with a primary purpose of research).
- Related class noted: research institute.

### Presence in data sources
- Appears in Wikidata with descriptive label and coordinates.
- Referenced by authority files (GND, VIAF).
- Registered in research/organization registries (ROR).
- Media presence on Wikimedia Commons.

### Available metadata notes
- Wikidata description: "Swiss tunnel used for engineering research."
- Sitelink count in provided metadata: 2 (Commons, de).
- No founding date, operational dates, dimensions, or detailed technical activities were provided in the available source material.

### Limitations of available information
- The provided source material lists identifiers and location but does not supply founding dates, technical specifications (length, depth, date of construction), ownership details, or descriptions of specific research projects.

## References

1. GRID Release 2017-04-04