Location of Long Island Sound samples with Total Organic Carbon (TOC), USGS OFR 00-304

The purpose of this data layer is to disseminate a digital version of the map showing the locations of surficial total organic carbon sampling stations in Long Island Sound. This GIS layer contains a point overlay showing the location of samples with Total Organic Carbon (TOC). This layer shows the distribution of samples used in the creation of the TOC polygon layer, listoc.