You can add calendars to your Google Calendar Area to make planning easier for you.
Scroll to the lower left corner and click on the Add to Google Calendar link.

A pop-up will show the calendars that are selected on the main screen. You can deselect any calendars you are not interested in. If you have filtered out the calendar you want.

If you are not seeing the calendars you want to add you may need to restore the comprehensive calendar view.
Click Cancel to close the pop-up.
Click the refresh button in the upper right corner and it will restore the calendars. Then you can filter using the Select Calendar button again or after clicking Add to Google Calendar.
