77 FR 12456
There are multiple documents on volume 77, page 12456. Which document are you looking for?
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
Pages 12454 - 12456
A Rule by the Federal Aviation Administration
Eighth Coast Guard District Annual Marine Events and Safety Zones
Pages 12456 - 12475
A Rule by the Coast Guard