Question: When did the state where Great River Road is located become a right to work state?

full_context: Document 1: Mississippi River: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. Flowing entirely in the United States (although its drainage basin reaches into Canada), it rises in northern Minnesota and meanders slowly southwards for 2,320 miles (3,730 km) to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
Document 2: Riverfront Parkway: Riverfront Parkway is located along the Mississippi River in the cities of Davenport and Bettendorf in the U.S. state of Iowa. The parkway is a bike and walking trail that extends for 11 miles (17.7 km) starting at Credit Island on the west passing through Davenport for 7.6 miles (12.2 km) before entering Bettendorf. It continues for another 3.4 miles (5.47 km) at its terminus on the east side of Bettendorf. On Credit Island the bike path circles the park for 2.62 miles (4.22 km). On its way east from Credit Island it passes through Veterans Memorial Park, which is being developed, Centennial Park, LeClaire Park, River Heritage Park that is being developed on the east side of downtown Davenport, and Lindsay Park. In Bettendorf it passes through Leach Park. There are plans to connect the park to the Duck Creek Parkway and Sunderbruch Park in the future. There are public art installations along the parkway at Credit Island, Lindsay Park and Leach Park.
Document 3: Missouri: Missouri is landlocked and borders eight different states as does its neighbor, Tennessee. No state in the U.S. touches more than eight. Missouri is bounded by Iowa on the north; by Illinois, Kentucky, and Tennessee across the Mississippi River on the east; on the south by Arkansas; and by Oklahoma, Kansas, and Nebraska (the last across the Missouri River) on the west. Whereas the northern and southern boundaries are straight lines, the Missouri Bootheel protrudes southerly into Arkansas. The two largest rivers are the Mississippi (which defines the eastern boundary of the state) and the Missouri River (which flows from west to east through the state) essentially connecting the two largest metros of Kansas City and St. Louis.
Document 4: Admission to the Union: The Admission to the Union Clause of the United States Constitution, oftentimes called the New States Clause, and found at Article IV, Section 3, Clause 1, authorizes the Congress to admit new states into the United States beyond the thirteen already in existence at the time the Constitution went into effect.
Document 5: Mississippi River: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. The stream is entirely within the United States (although its drainage basin reaches into Canada), its source is Lake Itasca in northern Minnesota and it flows generally south for 2,320 miles (3,730 km) to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and two Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
Document 6: Mississippi: Mississippi ( (listen)) is a state located in the southeastern region of the United States. Mississippi is the 32nd largest and 34th-most populous of the 50 United States. Mississippi is bordered to north by Tennessee, to the east by Alabama, to the south by the Gulf of Mexico, to the southwest by Louisiana, and to the northwest by Arkansas.  Mississippi's western boundary is largely defined by the Mississippi River.  Jackson is both the state's capital and largest city.  Greater Jackson, with an estimated population of 580,166 in 2018, is the most populous metropolitan area in Mississippi and the 95th-most populous in the United States.
Document 7: Upper Mississippi River Valley AVA: The Upper Mississippi River Valley AVA is an American Viticultural Area covering 29,914 square miles (77,477 square kilometers, or 19,144,960 acres) located along the Upper Mississippi River and its tributaries in northwest Illinois, northeast Iowa, southeast Minnesota and southwest Wisconsin. Certified by the United States Department of the Treasury's Alcohol and Tobacco Tax and Trade Bureau on July 22, 2009, it is the largest AVA in the United States. The AVA encompasses an area 50 times larger than the Bordeaux wine regions of France.
Document 8: Constitution of Florida: Florida's first constitution as a U.S. territory was written and implemented in 1838. On March 3, 1845, Florida was granted admission into the Union as the 27th state. The current Constitution of Florida was ratified on November 5, 1968, and has been modified by initiative and referendum several times since.
Document 9: State constitution (United States): Usually, they are much longer than the United States Constitution, which only contains 4,543 words. State constitutions are usually longer than 8,500 - words because they are more detailed regarding the day - to - day relationships between government and the people. The shortest is the Constitution of Vermont, adopted in 1793 and currently 8,295 words long. The longest is Alabama's sixth and current constitution, ratified in 1901, about 345,000 words long. Both the federal and state constitutions are organic texts: they are the fundamental blueprints for the legal and political organizations of the United States and the states, respectively.
Document 10: List of U.S. state birds: Below is a list of U.S. state birds as designated by each state's legislature. The selection of state birds began in 1927, when the legislatures for Alabama, Florida, Maine, Missouri, Oregon, Texas and Wyoming selected their state birds. The last state to choose its bird was Arizona in 1973. Alaska, California, and South Dakota permit hunting of their state birds. Pennsylvania has adopted a ``state game bird ''but not a state bird, while Alabama, Georgia, Massachusetts, Missouri, Oklahoma, South Carolina, and Tennessee have designated an additional`` state game bird'' for the purpose of hunting. The northern cardinal is the state bird of seven states, followed by the western meadowlark as the state bird of six states. Several states have extinct official animals, such as state dinosaurs in addition to state insects, state butterflies, state mammals and state reptiles.
Document 11: Oklahoma: State law codifies Oklahoma's state emblems and honorary positions; the Oklahoma Senate or House of Representatives may adopt resolutions designating others for special events and to benefit organizations. Currently the State Senate is waiting to vote on a change to the state's motto. The House passed HCR 1024, which will change the state motto from "Labor Omnia Vincit" to "Oklahoma-In God We Trust!" The author of the resolution stated that a constituent researched the Oklahoma Constitution and found no "official" vote regarding "Labor Omnia Vincit", therefore opening the door for an entirely new motto.
Document 12: Great River Road: The Great River Road is a collection of state and local roads that follow the course of the Mississippi River through ten states of the United States. They are Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi and Louisiana. It formerly extended north into Canada, serving the provinces of Ontario and Manitoba.
Document 13: Incorporation of the Bill of Rights: Incorporation, in U.S. law, is the process by which American courts have applied portions of the U.S. Bill of Rights to the states. When it was first ratified, the Bill of Rights only protected the rights it enumerated from federal infringement, allowing states and local governments to abridge them. However, beginning in 1897 with Chicago, Burlington and Quincy Railroad v. City of Chicago, various portions have been held to be incorporated against state and local government through the Fourteenth Amendment.
Document 14: Geography of the United States: The five Great Lakes are located in the north-central portion of the country, four of them forming part of the border with Canada, only Lake Michigan situated entirely within United States. The southeast United States contain subtropical forests and, near the gulf coast, mangrove wetlands, especially in Florida. West of the Appalachians lies the Mississippi River basin and two large eastern tributaries, the Ohio River and the Tennessee River. The Ohio and Tennessee Valleys and the Midwest consist largely of rolling hills and productive farmland, stretching south to the Gulf Coast.
Document 15: Right-to-work law: Alabama (adopted 1953, Constitution 2016) Arizona (Constitution, State Constitution Article 25 approved 1946) (adopted 1944) Arkansas (Constitution, 1947, Amendment 34) Florida (Constitution, 1944, revised 1968, Article 1, Section 6) Georgia (adopted 1947) Idaho (adopted 1985) Indiana (State law, 2012) Iowa (adopted 1947) Kansas (Constitution, 1958, Article 15, Section 12) Kentucky (adopted 2017) Louisiana (adopted 1976) Michigan (State law, 2012) Mississippi (Constitution, adopted 1954) Missouri (adopted 2017) (Postponed by petition to 2018 for citizen voting) Nebraska (Constitution and statute, adopted 1946) Nevada (adopted 1951) North Carolina (adopted 1947) North Dakota (adopted 1947) Oklahoma (Constitution, adopted 2001) South Carolina (adopted 1954) South Dakota (adopted 1946) Tennessee (adopted 1947) Texas (adopted 1947, revised 1993) Utah (adopted 1955) Virginia (adopted 1947) West Virginia (adopted 2016) (Went into effect September 2017 due to lower court injunctions) Wisconsin (adopted 2015) Wyoming (adopted 1963)
ground_truth: 1954
sub_queries: Which state is Great River Road located? Answer: Mississippi
when did Mississippi become a right to work state Answer: 1954