proj4.defs("EPSG:6823","+proj=tmerc +lat_0=43.75 +lon_0=-123.166666666667 +k=1.000015 +x_0=50000.00001504 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=ft +no_defs +type=crs");