It's the shrinking the image down to fit the forum doesn't lend itself to be enlarged and keep the same quality. I'll try to do a few enlarged cropped images from the original. It doesn't have any tourist type info on it, I'm guessing they are heights above the median (think that's the right word) river level and the other is regarding how close to the top of the levee or a suggestion of how fast they should abandon their huts on top of the levee and tell everyone in the path to get the f*ck out as fast as their feet will carry them
It's on it's side again and the size compression has made it hard to read again, the water level is at 3.53, the branch is at 4.0 and the top is 5.10 .... but no idea what the letters after the numbers are, nor what the other bits say.
T1 Terry