From 800 to 300 acres 10-second video…Sperry Glacier drainage. In the past 150 years Sperry Glacier has gone from 800 to 300 acres. • • • • • This website is about our BODY. To read today’s post about our SPIRIT, click here. By jeff noel Retired Disney Institute Keynote Speaker and Prolific Blogger. Five daily, differently-themed personal blogs (about life's 5 big choices) on five interconnected sites. View all of jeff noel's posts.