BOUNDCRS[SOURCECRS[BOUNDCRS[SOURCECRS[PROJCRS["NAD27 / Alberta 3TM ref merid 120 W",BASEGEOGCRS["NAD27",DATUM["North American Datum 1927",ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4267]],CONVERSION["Alberta 3-degree TM reference meridian 120 W",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-120,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",0,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]],ID["EPSG",3800]]],TARGETCRS[GEOGCRS["NAD83",DATUM["North American Datum 1983",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]],ID["EPSG",4269]]],ABRIDGEDTRANSFORMATION["NAD27 to NAD83 (4)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","NTv2_0.gsb"],ID["EPSG",1313]]]],TARGETCRS[GEOGCRS["NAD83(CSRS98)",DATUM["NAD83 Canadian Spatial Reference System",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 minute second hemisphere",0.0174532925199433]],AXIS["geodetic longitude (Long)",east,ORDER[2],ANGLEUNIT["degree minute second hemisphere",0.0174532925199433]],USAGE[SCOPE["Geodesy."],AREA["Canada - Alberta; New Brunswick; Saskatchewan; Prince Edward Island; and Quebec."],BBOX[44.61,-120,62.56,-57.1]],ID["EPSG",4140]]],ABRIDGEDTRANSFORMATION["NAD83 to NAD83(CSRS98) (3)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","AB_CSRS.DAC"],USAGE[SCOPE["?"],AREA["Canada - Alberta."],BBOX[48.99,-120,60,-109.98]],ID["EPSG",1752],REMARK["This gridded difference file AB_CSRS.DAC will need to be renamed to AB_CSRS.gsb to run in some software suites. Formats identical, but AB file is provincial fit only. Can be taken as an approximate transformation NAD83 to WGS 84 - see code 1702."]]]