Using the NHD Viewer to Save and Send a Map
If you are in the viewer and have an extent set with certain layers turned on or
off, you can email that map view by clicking the hyperlink button in the top right
corner of the screen. A url is provided. Copy the url and email it to someone, or
paste it in your browser to go back to the same extent with the same map properties.
Note: Annotations will not be saved.