Karlson Island Wetland Enhancement

Karlson Island Wetland Enhancement

Statewide contracted with the Columbia River Estuary Task Force (CREST) to supply supplemental mapping data to support the design for breaching and lowering of existing levees. Karlson Island, located in the Lower Columbia River Estuary — and part of the Lewis and...
Klaskanine River Hydrographic Survey

Klaskanine River Hydrographic Survey

SWLS was contracted to provide Columbia River Estuary Study Taskforce (CREST) with a combined hydrographic and topographic survey of a section of the Klaskanine River near Astoria. The objective of the project was to restore 50+ acres of emergent and forested...