3d surface plot

[Floyd poole]

Is it possible to create a 3d image of several thousand depth measurements?
I have a two axis scanner, which provides x and y data, but I cant figure
out how to get a 3d image of a corrosion map.

Sample data file includes:

.356 (depth) 46 (amplitude) , so there are two rows in the data file depth
and distance





Thanks,
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