ABOUT THE DATA
The Connecticut River Watershed Atlas presents various themes of information in Geographic Information Systems (GIS) format as individual "map layers". Some map layers sharing the same theme are organized together in the Viewer under a category. For example, dams, streams, and lakes are in the WATER category. Within a category, there can be sub-categories of related data. In the Atlas Map Contents, category names and sub-categories are listed in all UPPERCASE letters.
Recent streamflow conditions at U.S. Geological Survey (USGS) streamgaging stations are always displayed in the map viewer. Click on the graphic below for more information.
Information about all other data in the Atlas is presented below. Layers are listed as they appear in the Atlas Map Contents.
For instructions on accessing and displaying the map layers and viewing associated legends, see Working with layers and map contents.