APPENDIX B3-HydroSurveyAdjustedPrism.pdf
PDF 9 MB Posted
- Attached to
- MAINTENANCE DREDGING AT USCG SECTOR COLUMBIA RIVER [FORMERLY MARINE SECURITY UNIT (MSU)] PORTLAND, OR
- Solicitation number
- 70Z08825B0000088
About this file
This document is a hydrographic survey map produced by the U.S. Coast Guard Civil Engineering Unit for a maintenance dredging project at the USCG Sector Columbia River in Portland, Oregon. The topographical map depicts a detailed site layout with contour lines, showing the proposed dredging area marked in pink and red boundaries. The map includes a vicinity map in the top left corner, coordinate grids, scale indicators, and the Coast Guard Engineering Unit logo. The document appears to be part of the technical documentation supporting the maintenance dredging solicitation (IFB No. 70Z08825B0000088), providing geospatial context for the planned dredging operation.
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