20230210 10490100 1.0 TRUE Spot Elevations (Topo) Digital Elevation Model shows point elevations across Langley. Derived from the 2008 Airphoto mission flown Spring 2008 by Selkirk Remote Sensing Inc and processed by IMT Consulting Services. Photo Scale: 1:6500 nominal, Focal Length: 6", Scanning: McElhanney Consulting Services., Pixel Scan Resolution: 16 micron, Aerial Triangulation: controlled with Air Borne GPS and HPN monuments, Coordinate System: UTM, Nad83, Data Capture: Photogrammetric, OrthoPhoto Pixel size: 10cm