Source: EPSG:8721 — NAD83 / Colorado Central (ftUS) + NAVD88 height (ftUS)
compound horizontal + vertical reference system · Area of use: USA - Colorado - SPCS - C
+proj=lcc +lat_0=37.8333333333333 +lon_0=-105.5 +lat_1=39.75 +lat_2=38.45 +x_0=914401.828803658 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +vunits=us-ft +no_defs +type=crsMore about EPSG:8721 →