Yuba County Drain inlet std. 402 Yuba County Eccentric MH std. 404 Yuba County frame AND cover std. 407 Yuba County Inlet Transitions Std. 401 Yuba County Large MH assembly std. 405 Yuba County MH R AND C std. 411 Yuba County Shallow MH std. 406 Yuba County std. 408