- Introduction 
Procedure 
e 
e 
TABLE OF CONTENTS 
- Compilation of information , 
BWM eR 
Sources of data 
Table 1. 
Onshore data 
sources 
Lake Superior . 
St. Marys River . 
Lake Michigan , 
Lake Huron 
e 
Sitar Clad Reoracsiteies St. 
Lake Erie 
Niagara River . 
Lake Ontario 
Inland 
Table 2, 
Minnesota 
Wisconsin , 
Illinois 
Indiana . 
Michigan 
Ohion o. 
data sources 
Pennsylvania 
New York 
Ontario . 
Table 3. 
Jeersummarny — 2 he ben )cees 
Table 4, 
sources , 
Table 5. 
Unusable 
Appendix I - Bibliography 
e 
Clair - Detroit River 
Gata msSOunGeSh hci ver vem savomilows Ko uote clare 
Summary of knowledge of all potential data 
Summary of eanwlledne of usable deca sources 
Appendix II - Index and period of record for meteorological 
Statrons tniOnctardoug ney gergctach wen eVincw cian ectikcisk< Mien maemis 
List of Figures 
1. Questionnaire on meteorological and hydrographic records . 
2. Orientation chart, Lake Superior and St. Marys River ... 
SO Lrrenvartom chant. Lake Michigan <7. c) sv se euicireh temic cine 
4. Orientation chart, Lake Huron ... 5.0 O.'6 0 0) OF 6 
5. Orientation chart, Lake Erie (Gireddane St. Clair River, 
Lake St. Clair, 
aiptpt 
Detroit River, 
- Orientation chart, Lake Ontario 
Orientation chart, Great Lakes drainage basin ..... 
Percent frequency of all potential data sources ... 
Summary of knowledge of all potential data sources... 
and Niagara River) . 
@ (ei) ex. se) ie) fo’ je} Ue se) “es e 
