{"subject_places": ["Massachusetts"], "subjects": ["Highway law", "Roads"], "key": "/works/OL647203W", "title": "An act for incorporating certain persons for the purpose of laying out and making a turnpike road from Salem to Charles-River-Bridge", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL50125A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T00:09:25.754283"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-20T01:47:30.857134"}}