B2-Geographical positions of tertiary points between Keokuk, Iowa, etc.—Continued.

B2-Geographical positions of tertiary points between Keokuk, Iowa, etc.—Continued.

B2-Geographical positions of tertiary points between Keokuk, Iowa, etc.—Continued.

22.9

7.82

.341

April 27

*78.2

22.17

.284

44.1

10.20

.231

20.8

4.43

.213

41.75

April 29
April 30

Do.

A. W. Turner.

W. L. Shaw.

68.2

13. 04

.191

B 4.—Extreme low-water gauge-readings, Cairo, Ill., to Carrollton, La., season of 1887-'88.

NOTE. The sign - placed before a reading in the above table signifies below zero of the gauge.

APPENDIX C.

Report of the shoal places in the Mississippi River between Cairo, Ill., and New Orleans, La.