Safety Zone; M/V DAVY CROCKETT, Columbia River

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Homeland Security Coast Guard 33 CFR Part 165 [Docket No. USCG-2010-0939] RIN 1625-AA00 AGENCY: Coast Guard, DHS. ACTION: Temporary final rule. SUMMARY: The U.S. Coast Guard is extending the enforcement of a safety zone established on the waters of the Columbia River surrounding the M/V DAVY CROCKETT at approximate river mile 117. The original safety zone was established on January 28, 2011. The safety zone is necessary to help ensure the safety of the response workers and maritime public from the hazards associated with ongoing salvage operations involving the M/V DAVY CROCKETT. All persons and vessels are prohibited from entering or remaining in the safety zone unless authorized by the Captain of the Port, Columbia River or his designated representative. DATES: This rule is effective from June 15, 2011 through July 31, 2011. This rule is effective with actual notice for purposes of enforcement on May 23, 2011. This rule will remain in effect through July 31, 2011. ADDRESSES: Documents indicated in this preamble as being available in the docket are part of docket USCG-2010-0939 and are available online by going ( printed page 34863) to http://www.regulations.gov , inserting USCG-2010-0939 in the “Keyword” box, and then clicking “Search.” They are also available for inspection or copying at the Docket Management Facility (M-30), U.S. Department of Transportation, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washi…