BOUNDCRS[SOURCECRS[PROJCRS["NAD27(76) / MTM zone 12",BASEGEOGCRS["NAD27(76)",DATUM["North American Datum 1927 (1976)",ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4608]],CONVERSION["MTM zone 12",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-81,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",304800,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Canada - Ontario - between 82°30'W and 79°30'W: north of 46°N in area between 82°30'W and 80°15'W, north of 47°N in area between 80°15'W and 79°30'W."],BBOX[46,-82.5,55.21,-79.5]],ID["EPSG",2021]]],TARGETCRS[GEOGCRS["NAD83(CSRS)v3",DATUM["North American Datum of 1983 (CSRS) version 3",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Horizontal component of 3D system."],AREA["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."],BBOX[38.21,-141.01,86.46,-40.73]],ID["EPSG",8240]]],ABRIDGEDTRANSFORMATION["NAD27(76) to NAD83(CSRS)v3 (1)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","ON76CSv1.GSB"],USAGE[SCOPE["Geodesy."],AREA["Canada - Ontario."],BBOX[41.67,-95.16,56.9,-74.35]],ID["EPSG",9109],REMARK["Derived through NAD83(CSRS)v3 but within accuracy of transformation may be assumed to apply to any version."]]]