Bob Gaspirc

gaspirc mapping toronto standard s250 csa utility geospatial competency centre 2009 utilitiesgaspirc underground csas250mapping orthoimagery specifications aerial surveying 3d stereomodels topographic feature standards mapping photogrammetry 2013 photogrammetric standards stereo models ortho imagery imagery aerial 3d feature collection construction permits gis;2013;gaspirc demolition tamer permitting opendata building maintenance city of toronto photogrammetric database topographic softcopy municipal code municipal by-law numbering addresses address gis governance gcc gaspirccsas250ontariogoodroadsromaogrunderground.m gaspirccsas250ontariogoodroadsromaogrunderground.m