https://calendar.google.com/calendar/ical/wrhsbandcalendar%40gmail.com/public/baOpen your calendar app on your iPhone, select add subscription calendar, and paste the link below into "subscription URL" to add this calendar to your phone. This will integrate the calendar with your iPhone calendar.

https://calendar.google.com/calendar/ical/wrhsbandcalendar%40gmail.com/public/basic.ics

If you want to keep the calendar separate, scan this QR code from your phone and bookmark it in your web browser.