Source: EPSG:3435 — NAD83 / Illinois East (ftUS)
projected system measured in linear units (typically metres) · Area of use: USA - Illinois - SPCS - E
+proj=tmerc +lat_0=36.6666666666667 +lon_0=-88.3333333333333 +k=0.999975 +x_0=300000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crsMore about EPSG:3435 →