Underwater springs

Was wondering if you can pick-up underwater springs on a depthfinder, and if you can what they might look like. Does anyone have any pictures of a depthfinder screen shot showing a spring? Seems like if you can find thermoclines, underwater springs should show up.:confused:

What about springs as fish attractors..... do fish gather near them or stay away?

I would think the fish would love them in exreme weather. If it was extemely hot or cold the springs would be constant temp fresh water.

i have some underwater springs around me, ill try to get over to one and take some pics