[IllumiNaughtyByNature]

Thanks CH. I'l check it out and then see of CA has one since that's were I am. But the gov site should be about the same, right?

[Cold Heart]

I just went to the Oregon geology site. I had forgotten how s-l-o-w l-o-a-d-i-n-g the maps are. Get a topo of the area your interested in and just draw a red line at the elevation of 20 to 40 ft. The disclaimer on the map says they do not show worst case scenario.