OK, I just got home and thought that I would let you all know how it went.
I went to Mile Long Bridge (HWY 215), and got in the water at 11:20 to check out my weights. Everything was OK so I followed the contour down to about 45 ft.
Water temp at the surface was 45F. Vis was not great at about 10-15 ft. However, the owner of the marina says that about the time the water hits 50 F, the vis will increase to about 35-45 ft. He says the water gets crystal clear (for a midwest lake!!).
Anyway, the 2nd dive was down to 50 ft, and the vis was not really any better. but still good enough to see what you were doing. Like I say, these were dives just to practice skills. The water temp at 50 ft was 40 F.
Saw a few fish, some mussels, and an old hat. Plus a lot of cans and bottles that I plan on taking care of next trip (Saturday, I hope).
On the map, I bought the map at Orleans Trail Marina (where I also get my tanks filled), the web site is
www.orleanstrail.com , and the phone number is (417) 276-5161. I don't know if they will ship, although I assume that they will. If not, let me know and we will work something out.
Hope this helps,
Dark Wolf