​If you use Google Chrome, last versions of the PDF viewer meses up all the maps. To view them correctly:

Go to:  chrome://plugins/

Disable Chrome PDF Viewer 

Go to https://chrome.google.com/webstore/detail/pdf-viewer/oemmndcbldboiebfnladdacbdfmadadm?hl=en

Add to Chrome

Now you will be able to see the maps perfectly!


This is how the map should look like: