proj4.defs("EPSG:7070","+proj=tmerc +lat_0=40.25 +lon_0=-91.25 +k=1.000018 +x_0=7467614.93522987 +y_0=1889763.77952756 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");