{"schema":"plot.claim/v1","address":{"kind":"claim","id":"6A5Q-55","version":1,"latest_version":1,"is_latest":true,"release":null,"url":"https://www.plot.eco/c/6A5Q-55","formats":{"html":"https://www.plot.eco/c/6A5Q-55","json":"https://www.plot.eco/c/6A5Q-55.json","md":"https://www.plot.eco/c/6A5Q-55.md","embed":"https://www.plot.eco/c/6A5Q-55/embed"}},"record_type":"observation","statement":"The writer reports sandy shell-beds near the Williamstown Racecourse, made of shells of living species and laid by wind and tide, as evidence that the shore was building out.","about":{"id":"ZKM8-1W","name":"Williamstown","kind":"place","url":"https://www.plot.eco/p/williamstown","place":"https://www.plot.eco/p/williamstown"},"object":null,"measure":"Historical passage","value":{"text":"The author discussed the occurrence of the sandy shell-beds exposed near the Williamstown Racecourse, on the Altona Bay railway line, which have been regarded as evidence of an elevated sea-bottom, but he pointed out that the evidence of the surround- ing locality showed that a gradual reclamation of the sea shore was taking place, and that the origin of the beds was no doubt wind and tide, and that they were geologically of Recent age. This was shown by the fact of their being almost entirely com- posed of the shells of living species.","number":null,"lower":null,"upper":null,"comparator":"=","unit":null},"caveats":{"kind":"source_reported","kind_label":"Reported by source","origin":"community_reported","origin_label":"Reported by community","period":{"text":"1909","start":"1909-01-01","end":"1909-12-31"},"verification":{"level":"reviewed","label":"Reviewed","step":3,"of":4,"meaning":"PLOT checked the claim against its source. This is not independent verification.","basis":"person","basis_note":"Checked by a person."},"open_questions":{"count":0,"note":"Open questions and challenges are counted publicly; their text is published when they are resolved."}},"temporal_status":"historic","method":"accounts-core@0.1.0: screen_passage@1, extract_passage@1 (claude-opus-5-5 (Claude Code session)); locator victoriannatural26fiel, leaf 29, printed page 15","uncertainty":null,"limitations":"A writer's account: context and a reason to look again, never a measurement. The writer's words for the place are kept; silence elsewhere is not absence.","explanation":null,"source":{"title":"The Victorian naturalist, v.26, 1909-1910","publisher":"Field Naturalists' Club of Victoria","url":"https://archive.org/details/victoriannatural26fiel","locator":"victoriannatural26fiel, leaf 29, printed page 15","page":15,"plot_url":"https://www.plot.eco/s/CKXH-GQ?snippet=50de5634-db31-4efc-ad75-dbfd3e5c2c20"},"framework_targets":[],"editions":["october-26th-release"],"history":[{"version":1,"change_reason":null,"current":true}],"resolved_questions":[],"sourcing":{"found":"by_protocol","summary":"Found under sourcing protocol accounts-core@0.1.0, for the question \"How the place looked\", in historical_archives. Screened in on an AI proposal (Claude Opus 5.5 (AI), for review). Extracted with claude-opus-5-5 (Claude Code session), prompt extract_passage@1; a person reviewed it before publication.","protocol":{"id":"accounts-core","version":"0.1.0"},"note":"accounts-core run williamstown-2026-10-23: Internet Archive texts (Victorian Naturalist v.1-37, Letters from Victorian Pioneers) and ALA specimen facets. Trove and BHL blocked: they need API keys.","question":{"key":"Q30.hist_landscape_description","title":"How the place looked"},"channel":{"id":"historical_archives","label":"historical_archives"},"query":{"text":"Williamstown | Williams Town | Williams-town | Point Gellibrand | Gellibrand's Point | Gellibrand Point | Jawbone | Greenwich Bay in archive.org/victoriannatural26fiel","engine":"archive.org OCR text, local full-text match"},"screening":{"decision":"include","reason_code":"meets_criteria","rationale":"Shell-beds near the Williamstown Racecourse and the shore building out.","decided_by":"ai_proposed","label":"Claude Opus 5.5 (AI), for review","prompt_ref":"screen_passage@1","model_ref":"claude-opus-5-5 (Claude Code session)"},"extraction":{"prompt_ref":"extract_passage@1","model_ref":"claude-opus-5-5 (Claude Code session)"}},"jobs":null,"cite_as":"PLOT record c/6A5Q-55 v1, Field Naturalists' Club of Victoria (1909), reported by source"}