Intertidal Archaeology at Old Passage Aust Gloucestershire, A Sketch of the Surviving Evidence
Bibliographic record
Abstract
The Old Passage, functioning until 1966, was an ancient and strategically significant but hazardous ferry that linked Aust with Beachley across narrows on the Severn Estuary. It provided a means of communication between England and Wales. The remains of four landing piers survive in the intertidal zone at the Aust end of the route. Dating in part from around the end of the first quarter of the nineteenth century, the most recent of these is an elaborate, compound, timber and stone structure which served both vehicles and foot passengers. The other three are apparently earlier but their date is otherwise uncertain. Two of these piers are also timber and stone structures which accommodated vehicles as well as foot passengers. Documentary evidence from the eighteenth century shows that vehicles could at that time be carried on the sailing boats that formed the ferry. The piers represent one of a number of essentially rural sites at which there is archaeological evidence for the network of trade and communications in the Severn Estuary and inner Bristol Channel that existed up to the middle decades of the twentieth century
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.004 | 0.003 |
| Scholarly communication | 0.003 | 0.001 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.018 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".