DUH ......Any given survey uses multiple elevations to show contour
lines.


Irrelevant to the point.


It just happens the apron right infront of my hangar was a
reference spot for one of those data points.


ONE of those data points. Was the reference spot marked with the
elevation
at that point?

--
Matt
---------------------
Matthew W. Barrow
Site-Fill Homes, LLC.
Montrose, CO


I sure hope you have nothing to do with building houses....... God help
the poor fool who buys one from ya...