GIS Services | UAS Services
CE&G’s highly experienced and qualified staff integrates GIS, CAD, Unmanned Aerial Systems, and Global Positioning Systems (GPS) services to produce general reference, topographical, cadastral, and thematic maps. Our pragmatic approach - to present meaningful information in a useful way.
Foundation Displacement Map
Description: Displacements in a building's foundation caused by an underlying landslide. A hand-held LiDAR unit mapped the building's interior and displacements were derived from ground classified points.
Data Sources: CE&G LiDAR (05 June 2018), high-resolution orthoimagery
Fault Activity Map
Description: Fault Activity map for the San Jose Area.
Data Sources: USGS Quaternary Active Fault and Fold database, orthoimagery
Geologic Features Map
Description: Geologic mapping for road safety improvement project in Contra Costa County.
Data Sources: CE&G field mapping, LiDAR (2007), parcels (Contra Costa County online database), orthoimagery
Geomorphic Lineament Map
Description: Geographic, landslide, and geomorphic features map.
Data Sources: CE&G field mapping, LiDAR (2006)
Water Drop Analysis
Description: Water drop analysis of neighborhood in Marin County. Geologic features digitized and georeferenced from historical maps, and water drop analysis from Civil 3D 2017.
Data Sources: LiDAR (2010), parcels (Marin County online database), historical landslide data (1978, 2016), orthoimagery
Description: Regional geologic map near El Sobrante.
Data Sources: Graymer et al. (2006), orthoimagery
Site Location Map
Description: Site location map near El Sobrante.
Data Sources: Caltrans online databases, orthoimagery
Description: Site locations within local watersheds in Alameda County.
Data Sources: Local municipalities online databases, orthoimagery