At the Pepper Ranch Preserve in Immokalee, FL, workers from several different public safety agencies spent five hours trying to rescue a worker from the University of Florida who was collecting water samples in a distant area of the preserve.The man, who had a history of heart problems, began experiencing dizziness and shortness of breath. 911 was called, but safety workers couldn’t get quite close enough in their vehicles to help the man. They spent the next several hours working their way through dense swampland to get to him, eventually bringing in a helicopter to help guide them on their path from above. It wasn’t just an inconvenience - it was downright dangerous. A police deputy hacking his way through the vegetation with a machete had to kill an approaching water moccasin with it! I…