Answer: The Civilian Conservation Corps (CCC)
Explanation:
The Civilian Conservation Corps (CCC) was a federal worker-relief program that employed millions of young men to work on construction and conservative projects all over the United States as a part of the new deal. It is estimated that over 3 million men worked for if from 1933-1942 and their work in Florida was extensive.
It included, establishing a number of state parks including the Suwannee River State Park, Myakka River State Park, and Highlands Hammock State Park.
The CCC workers also made the parks more accessible by building picnic facilitiss, fences, roads etc.