Some browsers, such as Chrome, will no longer run applets that are embedded in a webpage.
An alternative is to download and open this file:
StLouisRiver_DuluthCanal_plotter.jnlp,
which will launch the Data Visualization Tools without using a browser.
You need a Java-enabled browser to run this applet.
As an alternative you can download and open the
Java Network Launching Protocol (JNLP) file linked above.
This data should be considered provisional and subject to change.
Here are some tips for saving images.
Having trouble running Java? This page might help.
Send questions or report any problems with the applet to wow@nrri.umn.edu