Students examined a lime rock core sample from the C-111 Spreader Canal project, part of the Comprehensive Everglades Restoration Plan (CERP). The sample has many holes, almost like Swiss cheese, and illustrates one of the challenges of Everglades restoration – keeping the water in the natural areas, when water moves quickly underground.

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Photo by: Polo Park Middle School |  VIRIN: 130513-A-CE999-023.JPG