TABLES 



Number Page 



1. Hydrographic and meteorologic terminology ( Cisco) 25 



2. Station location and list of activities at station, cruise VI, 1952 ( Cisco) . ... 27 



3. Station location and list of activities at station, 1953 ( Cisco) 29 



4. Hydrographic station data, cruise VI, 1952 ( Cisco) 41 



5. Hydrographic station data, 1953 ( Cisco ) 47 



6. Observations at bathythermograph casts, cruise VI, 1952 ( Cisco) 83 



7. Observations at bathythermograph casts, 1953 ( Cisco ) 89 



8. Drift cards released in Lake Superior in 1953 and the number and percentage 



recovered for each release 129 



9. Recoveries from 500 drift cards released from the Cisco on July 3, 1953, at 



station 48, latitude 47*22'00", longitude 87°39'35" 130 



10. Recoveries from 500 drift cards released from the Cisco on July 4, 1953, at 



station 49, latitude 47'29'30", longitude 87*47'10" 131 



11. Recoveries from 1,000 drift cards released from the Cisco on July 4, 1953, 



at BT rV-34, latitude 48*02'20", longitude 88*30'00" 132 



12. Recoveries from 1,000 drift cards released from the Cisco on July 6, 1953, 



at station 55, latitude 4«°04'20", longitude 88° 56 '20" 134 



13. Recoveries from 1,000 drift cards released from the Cisco on July 7, 1953, 



at station 11, latitude 47°21'10", longitude 88*44'30" 136 



14. Recoveries from 470 drift cards released from the Cisco on July 8, 1953, at 



station 4, latitude 47°03'25", longitude 88°19'40" 139 



15. Abundance of plankton per cubic meter in Lake Superior, May-October, 



1953 ( Cisco ) 141 



16. Codes for bathythermograph observations ( Williams) 149 



17. Observations at bathythermograph casts, 1956 ( Williams) „ 151 



18. Observations at bathythermograph casts, 1957 ( Williams ) 155 



IV 



