and elevation differences from the primary station are also given for numerous secondary stations, as are normal
and spring tide ranges for all stations. Tide Tables are available from the Distribution Division, National Ocean
Survey, at the address above.
Lake levels are also available in summary form through the Monthly Bulletin of Lake Levels for the
Great Lakes. This contains the current level for each lake, a six-month projection of future lake levels, and
historic high and low lake levels. The Monthly Bulletin is available, free, from the:
Department of the Army
Detroit District, Corps of Engineers
P. 0. Box 1027
Detroit, Michigan 48231
SUGGESTED READING
Numerous booklets, brochures, and reports, many of them free, are available for further study in
selected topics and subjects presented in this report. Most government reports include either their NTIS
or GPO accession numbers. Use the NTIS number to order documents from:
National Technical Information Service (NTIS)
5285 Port Royal Road
Springfield, VA 22161
(703) 605-6000
http://www.ntis.gov/
Use the GPO number to order documents from:
Superintendent of Documents
US Government Printing Office (GPO)
PO Box 371954
Pittsburg, PA 15250-7954
(866) 512-1800 (toll free)
http://www.gpo.gov
Shore and Lake Processes
Beach Processes and Sedimentation, Komar, P., Prentice-Hall, Englewood Cliffs, New Jersey, 1976, 464 pp.
Coastal Processes and Beach Erosion, Caldwell, J. M., Reprint 1-67, U. S. Army Coastal Engineering Research
Center, January 1967, (NTIS #652 025).
Ebb and Flow: The Tides of Earth, Air and Water, Defant, A., Ann Arbor Science Library Series, University of
Michigan Press, Ann Arbor, Michigan, 1958.
Land Against the Sea, Rayner, A. C., editor, Miscellaneous Paper 4-64, U. S. Army Coastal Engineering
Research Center, May 1964, (NTIS #453 227).
147