Please note that the citation and link provided above will direct users to a landing page that contains the lesson material; it can be downloaded directly from that landing page page. Alternatively, users can use a version of the lesson hosted on GitHub pages; a link to the GitHub lesson page is available on the landing page. In addition, the landing page provides citation information to a published paper that introduces the tutorial, which was published in the Journal of Map and Geography Libraries. Instructors interested in using or adapting this tutorial are encouraged to read this paper for relevant background information.