{"description": {"type": "/type/text", "value": "Discusses the desirable properties and uses of gold, silver, and platinum; describes the nineteenth-century gold rush; discusses techniques of mining and refining gold; and presents an amateur's guide for gold prospecting."}, "covers": [8484490], "key": "/works/OL4979468W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1076008A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4282847A"}}], "title": "Gold and other precious metals", "subjects": ["Quartz", "Gold", "Mineralogy", "Precious metals", "Gold mines and mining", "Juvenile literature", "Metals, juvenile literature", "Metals"], "type": {"key": "/type/work"}, "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2009-12-10T08:12:16.413997"}, "last_modified": {"type": "/type/datetime", "value": "2022-02-28T20:02:50.955871"}}