{"type": {"key": "/type/author"}, "name": "Roy Stone Hydraulic Mining and Dredging Company", "key": "/authors/OL16204872A", "source_records": ["marc:harvard_bibliographic_metadata/20220215_031.bib.mrc:275620818:1694"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-02-23T04:24:34.226489"}, "last_modified": {"type": "/type/datetime", "value": "2026-02-23T04:24:34.226489"}}