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

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

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

B 3.--High-water marks of 1888. Mississippi River, Cairo, Ill., to Carrollton, La.

44. 1

10.20

231

April 27 to May 1.
April 29

20.8

4.43

. 213

41.75

April 30

68.2

13.04

. 191

32. 50

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.