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Date.
Distance from base.
TABLE A.-Daily observations for velocity of current of the St. Lawrence River, 1868-Continued.
Depth of observa
tion.
Wind in direction
of river.
Depth of river.
Mean time run in
minutes.
TABLE A.-Daily observations for velocity of current in the St. Lawrence River, 1868.
TABLE B.-Sub-surface velocities in nearly the same depth of water, St. Clair River, 1868.
Sums.
66. 267 132. 634 130. 030 130. 317 121. 971 127. 240 108. 842 100. 710
73.600