540 · DISTRICT COURT NATURALIZATION — OFFICE
Research representation: boundary trace. Architectural checks: pending.
Fifth floor · Original mark: 540
Historical room number: 540
Source relationships · not a verified physical connection
- has opening (observed, unreviewed): Room 540 / broadway corridor candidate
10 recorded properties
Still to extract or check- Exact clear dimensions
- Wall thickness
- Ceiling height
- Detailed opening/fixture inventory