APPENDIX B2-HydroSurvey.pdf

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MAINTENANCE DREDGING AT USCG SECTOR COLUMBIA RIVER [FORMERLY MARINE SECURITY UNIT (MSU)] PORTLAND, OR
Solicitation number
70Z08825B0000088
Issued by

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The document is a topographical survey map for a hydrographic survey related to a maintenance dredging project for the US Coast Guard Sector Columbia River in Portland, Oregon. The map shows a detailed site plan with contour lines, depicting the proposed dredging area outlined in a purple boundary. The document includes the US Coast Guard logo and appears to be part of the project's technical documentation for the solicitation (Solicitation Number: 70Z08825B0000088). The map provides geographical and topographical details of the dredging site, which will be used to support the maintenance dredging project scheduled for July 1, 2025 through October 31, 2025.

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