Heavy Metal music was only developed in the early 1960's.
Chouteau Island , situated approximately 8 mi due north of the Gateway Arch in St. Louis , Missouri , and approximately 1 mi south of the confluence of the Missouri River and Mississippi River , is one of a cluster of three islands  : Chouteau Island , Gabaret Island , and Mosenthein Island .. Gateway Arch. Gateway Arch. Missouri River. Missouri River. Mississippi River. Mississippi River. Gabaret Island. Gabaret Island. Mosenthein Island. Mosenthein Island. Missouri. Missouri. The three , with a combined area of approximately 5500 acre , are located in Madison County , Illinois .. Illinois. Illinois. The three-island complex is also referred to as `` Chouteau Island '' .. The island is manmade , having been created during the construction of the Chain of Rocks Canal between 1946 and 1953 .. Most of Chouteau Island lies in Chouteau Township , but its southern quarter lies in Venice Township , both in Madison County .. Chouteau Township. Chouteau Township, Madison County, Illinois. Venice Township. Venice Township, Madison County, Illinois. Gabaret Island and Mosenthein Island both lie entirely in Venice Township .. Gabaret Island. Gabaret Island. Mosenthein Island. Mosenthein Island. Venice Township. Venice Township, Madison County, Illinois. Chouteau Island is 3200 acres .. Chouteau Island is bounded by the Mississippi River to the west and the Chain of Rocks Canal to the east .. Mississippi River. Mississippi River. The 10 mi of Mississippi River that border the Island on the west is the only natural stretch of the Mississippi without barge traffic between St. Paul , Minnesota , and New Orleans , Louisiana .. Mississippi River. Mississippi River. Chouteau Island is accessed by car only from Illinois via the Canal Bridge , a two-lane vehicular bridge that crosses the Chain of Rocks Canal .. Illinois. Illinois. From Missouri , visitors may reach the Island by foot or bicycle traffic via U.S. Route 66 's Old Chain of Rocks Bridge .. Missouri. Missouri. U.S. Route 66. U.S. Route 66. Old Chain of Rocks Bridge. Chain of Rocks Bridge. Chouteau Island is a key part of the Confluence Greenway , a regional recreation corridor .. Confluence Greenway. Confluence Greenway. Popular events on the Island , include Eagle Days -LRB- held each January for watching bald eagles -RRB- and various recreational bicycle rides .. Several walking / biking trails have been developed on the Island .. Lewis and Clark camped on Gabaret Island on December 11 , 1803 , prior to establishing Camp Dubois near Wood River , Illinois .. Gabaret Island. Gabaret Island. Illinois. Illinois. Lewis and Clark. Lewis and Clark. Camp Dubois. Camp Dubois. Mississippi River Lock # 27 -LRB- Chain of Rocks Lock -RRB- is located at the south end of the Island .. Mississippi River. Mississippi River. Chain of Rocks Lock. Chain of Rocks Lock. Following the Great Flood of 1993 , governments acquired all residences within the Island complex .. Great Flood of 1993. Great Flood of 1993. Over 70 percent of Chouteau Island is now in public ownership , under the U.S. Army Corps of Engineers , the Illinois Department of Natural Resources and the city of Madison , Illinois .. Illinois. Illinois. U.S. Army Corps of Engineers. U.S. Army Corps of Engineers. Illinois Department of Natural Resources. Illinois Department of Natural Resources. They are collaborating to develop Chouteau Island as a recreational complex to feature floodplain and grasslands restoration , additional trails , interpretive overlooks , picnic areas , camping areas and a visitors center near the entrance to the Old Chain of Rocks Bridge .. Old Chain of Rocks Bridge. Chain of Rocks Bridge