Lake Okeechobee Valley and the Everglades. The trough is underlain by clay deposits that compacted more than the limestone and sand deposits did along both coasts of peninsular Florida. Until about 6,000 years ago, the trough was dry land. As the sea level rose, the water table in Florida also rose and rainfall increased. From 6,000 to 4,000 years ago, wetlands formed building up peat deposits. Eventually the water flow into the area created a lake, drowning the wetlands. Along what is now the southern edge of the lake, the wetlands built up the layers of peat rapidly enough (reaching thick) to
Effects of the 1928 Okeechobee hurricane in Florida Weather Bureau's predictions of the storm missing South Florida. He and his legionnaires warned residents in the Lake Okeechobee region of the approaching cyclone. At South Bay, Frank Schuster made several car trips to save 211 people by transporting them to higher ground. The Seminoles at the Brighton Seminole Indian Reservation in Glades County evacuated to higher ground after observing retreating wildlife. Hours before the storm made landfall, many in the communities surrounding Lake Okeechobee either crowded into a house or evacuated to the building they believed was securest, such as the Belle Glade Hotel, the Glades Hotel, and Henry