The Crossings Biography 4 Formative and sustaining processes, History 2.2% Honduran See also: Transportation in Miami, The Safety Valve is a series of shallow sand flats separated by tidal flow channels stretching about 8 miles (13 km) from the south end of Key Biscayne to the Ragged Keys at the north end of the Florida Keys the term "safety valve" was applied to the tidal flats by Ralph Munroe who argued against building a causeway and bridges connecting Key Biscayne to the Ragged Keys and beyond on the grounds that such construction would block the free outflow of storm surges from the bay across the flats to the ocean It is believed that it does moderate the effects of storm surges on the bay the transportation of sand southward along the Atlantic Coast of Florida by longshore drift ends in the area of the Safety Valve the structure of the Safety Valve has been stable for at least the last century Stiltsville is a collection of buildings on pilings on several sand flats at the northern end of the Safety Valve; Miami Florida Miami Florida Business directory The metropolitan areas of Miami Fort Lauderdale and West Palm Beach are located on a rise in elevation along the eastern coast of Florida called the Eastern Coastal Ridge that was formed as waves compressed ooids into a single formation Along the western border of the Big Cypress Swamp is the Immokolee Ridge (or Immokolee Rise) a slight rise of compressed sand that divides the runoff between the Caloosahatchee River and the Big Cypress This slight rise in elevation on both sides of the Everglades creates a basin and forces water that overflows Lake Okeechobee to creep toward the southwest Under both the Miami Limestone formation and the Fort Thompson limestone lies the Biscayne Aquifer a surface aquifer that serves as the Miami metropolitan area's fresh water source Rainfall and stored water in the Everglades replenish the Biscayne Aquifer directly, Miami Jai Alai fronton known as "The Yankee Stadium of Jai Alai".
1 History After the Second Seminole War ended in 1842 William English re-established a plantation started by his uncle on the Miami River He charted the "Village of Miami" on the south bank of the Miami River and sold several plots of land in 1844 Miami became the county seat and six years later a census reported there were ninety-six residents in the area the Third Seminole War was not as destructive as the second but it slowed the settlement of southeast Florida At the end of the war a few of the soldiers stayed. .
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