The Sound of Skipping Rocks Across a Frozen Lake The Sound of Skipping Rocks Across a Frozen Lake By minnesotacold | December 13, 2020 | Comments 0 Comment It’s so cold in Minnesota that… you can make amazing sounds by throwing rocks across a frozen lake. Share this: Click to email a link to a friend (Opens in new window) Email TweetShare on Tumblr Click to print (Opens in new window) Print