Mappe topografiche Galveston County

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Tides cause daily variations in topography, and occasionally, storms more drastically change the topography of the pass.

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After Hurricane Ike hit Texas in September 2008, Galveston County officials offered a debris removal program to residents in unincorporated areas, including Bacliff. Flooding from hurricane Ike was minimized due in part to Bacliff's relatively high elevation of 16 feet.

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On September 8, 1900, the island was struck by a devastating hurricane. This event holds the record as the United States' deadliest natural disaster. The city was devastated, and an estimated 6,000 to 8,000 people on the island were killed. Following the storm, a 10-mile (16 km) long, 17 foot (5.2 m) high…

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Officially, the elevation of Texas City is 10 feet above sea level, though some areas are even lower. It was naturally vulnerable to flooding by hurricane storm surges and heavy rainstorms.

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