James W. Sewall

Geospatial Mapping

Mapping is a Sewall core competency, and high-quality data differentiates Sewall in the marketplace. Our GIS and mapping specialists are experienced in developing and maintaining the following data sets to meet the specific needs of our clients:

• Planimetric, topographic, volumetric
• Parcel
• Cemetery
• Utilities infrastructure
• Wastewater and storm water
• Corridor, ROWs, and boundary
• Road centerlines and address geocoding
• Land use and land cover
• Watershed and wetlands
• Soils
• Damage assessment (hurricane, flooding, ice storm, oil spill)
• Demographics