Well Known Text
 
WKT Version 2
COMPOUNDCRS["NAD83 / Colorado South (ftUS) + NAVD88 height (ftUS)",PROJCRS["NAD83 / Colorado South (ftUS)",BASEGEOGCRS["NAD83",DATUM["North American Datum 1983",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",6269]],ID["EPSG",4269]],CONVERSION["SPCS83 Colorado South zone (US survey foot)",METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false origin",36.6666666666669,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8821]],PARAMETER["Longitude of false origin",-105.5,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8822]],PARAMETER["Latitude of 1st standard parallel",38.4333333333336,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8823]],PARAMETER["Latitude of 2nd standard parallel",37.2333333333336,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8824]],PARAMETER["Easting at false origin",3000000,LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],ID["EPSG",8826]],PARAMETER["Northing at false origin",1000000,LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],ID["EPSG",8827]],ID["EPSG",15315]],CS[Cartesian,2,ID["EPSG",4497]],AXIS["Easting (X)",east],AXIS["Northing (Y)",north],LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],ID["EPSG",2233]],VERTCRS["NAVD88 height (ftUS)",BASEVERTCRS["NAVD88 height",VDATUM["North American Vertical Datum 1988",ID["EPSG",5103]],ID["EPSG",5703]],DERIVINGCONVERSION["Vertical Axis Unit Conversion",METHOD["Change of Vertical Unit",ID["EPSG",1104]],ID["EPSG",7813]],CS[vertical,1,ID["EPSG",6497]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],ID["EPSG",6360]],ID["EPSG",8722]]