Alton, Illinois
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Alton is a city on the Mississippi River in Madison County, Illinois, United States, about 18 miles north of St. Louis, Missouri. Its population was 25,676 at the 2020 census. It is a part of the Rive
The Clark Bridge, connecting Alton to West Alton, Missouri
Historic Alton home
Alton flood, 1993
The Great River Road in Illinois north of Alton, looking south
Bull shark
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The bull shark, also known as the Zambezi shark in Africa and Lake Nicaragua shark in Nicaragua, is a species of requiem shark commonly found worldwide in warm, shallow waters along coasts and in rive
Alton, Illinois
…Sisters of St Francis of the Martyr St George have their American province motherhouse in Alton. In 1937, two commercial fishermen from Alton caught a bull shark in the Mississippi River. Late that summer, they had realized something was troubling their wood and mesh traps. Concluding that it was a fish, they…
Bull shark
Upper teeth
Lower teeth
Electron micrograph of an upper tooth