Download or read book GREAT LAKES ICE COVER WINTER 1967-1968 written by Donald R. Rondy and published by . This book was released on 1968 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes the U.S. Lake Survey's 1967-68 aerial ice reconnaissance program and presents 47 ice charts produced from data collected on 14 flights. A brief description of ice conditions on each of the Great Lakes and a summary of weather conditions is included. (Author).