Books by Donald R. Rondy
Great Lakes ice atlas
Great Lakes ice atlas
Great Lakes ice cover, winter
Great Lakes ice cover, winter 1962-63 and 1963-64
Great Lakes ice cover, winter
Great Lakes ice cover, winter 1967-68
Great Lakes ice cover, winter
Great Lakes ice cover, winter 1966-67
Great Lakes ice cover, winter
Great Lakes ice cover, winter 1965-66