Some layers have advanced options to filter what is displayed. For example, select one of the Bore layers above and look for the icon.
Layer stacking order (drag to reorder)
No active layer(s)
Measure distance between points or area of a polygon
Save the state of the current map as a link (ctrl-c to copy)
Permalink (highlight the link text and ctrl-c to copy)
Print the current map as a PDF.