20230419 07554800 1.0 TRUE Geotech_Report_Zones This service displays the areas where a geotechnical report is required. This data is approximate and only meant as a general guide. This data was developed with help from a by a geotechnical engineering consultant in 2005. Factors taken into account were: Liquefaction, Landslide Hazard Areas (Moderate, High, and Very High), Known Landslides, Whidbey Fault Lines, and Soil Types. City of Mukilteo GIS, Zipper Geo