Sign up for our free, bi-weekly newsletter and get a downloadable Civics 504 Guide. Learn voting deadlines, changes to voting laws, what to bring to the polls and more. A study published by the National Park Service on Friday (Oct. 25) recommended that an 11-mile stretch of River Road on the west bank of the Mississippi River in St. John the Baptist Parish be designated a National Historical Landmark after a year of researching the area. Officials in the National Park Service began their study because of requests from local stakeholders, like the director of the Evergreen Plantation, which is located along the stretch.