Lake Superior ice characteristics /
by E. W. Marshall.
- Detroit : Dept. of the Army, Lake Survey District, Corps of Engineers, 1968.
- p. 214-220 : maps ; 26 cm.
- Miscellaneous paper - U.S. Lake Survey ; 68-4. .
- U.S. Lake Survey. Miscellaneous paper ; 68-4 .
Cover title. Part of the proceedings of the tenth conference on Great Lakes Research, 1967.