Earth Analytics Plotting Textbook Activity Data

This is a data set downloaded from datahub.io which is now down causing our lessons to fail. We are placing it here online so that users can complete our lessons.
The original dataset came fromhttps://datahub.io/core/glacier-mass-balance/r/glacier-mass-balance_zip.zip
This data repository is not currently reporting usage information. For information on how your repository can submit usage information, please see our documentation.