"With the exception of some stubborn ice buildups located primarily around the edges of both water bodies, lakes Cadillac and Mitchell are almost completely thawed."
"The official thaw date as decreed by the Cadillac News for both lakes this year was March 26, which is a few days earlier than last year, when they were declared open on March 29."
"The earliest Lake Cadillac was declared open was March 2, 1892. The latest was April 28, 1972."
"On Dec. 8, 2017, it was determined Lake Mitchell was frozen. Lake Cadillac was determined to be frozen on Dec. 9."
Read the article and thanks to the Cadillac News in Lake City, Michigan.