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Systematic Mapping of Bedrock and Habitats along the Florida Reef Tract—Central Key Largo to Halfmoon Shoal (Gulf of Mexico)

USGS Professional Paper 1751

by Barbara H. Lidz, Christopher D. Reich, and Eugene A. Shinn

Introduction: Table of Contents Project Overview Project Objective Geologic Setting Primary Datasets Primary Products - Overview Maps & Evolution Overview: Introduction Depth to Pleistocene Bedrock Surface Reef & Sediment Thickness Benthic Ecosystems & Environments Sedimentary Grains in 1989 Summary Illustration Index Map Evolution Overview Tile-by-Tile Analysis Organization of Report Tiles: 1, 2, 3, 4, 5, 6, 7/8, 9/10, 11 Summary Acknowledg- ments References Disclaimer Related Publications

Organization of Report Tile-by-Tile Analysis Data Limitations Overall Setting and Environment Data Limitations: The extent of contiguous seismic data (Fig. 20A, 20B, 20C) demarcates data boundaries on the bedrock topography and sediment thickness maps. Water depth and turbidity, which obscure seafloor images, constrain boundaries of benthic marine features interpreted from the aerial photomosaics. Confined to the shelf, the sedimentary thin-section dataset extends beyond both other datasets to the northeast and terminates to the southwest just west-southwest of Key West. continue to: Overall Setting and Environment

Coastal & Marine Geology Program > Center for Coastal & Watershed Studies > Professional Paper 1751