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4. Swale Making Preparations ~ The A Frame

David built this A frame with a plumb line:

OK I thought it was going to be easy to describe how you use the A frame to mark the contour lines of the land....but it's actually difficult to put into words. So I'm including a couple videos that do a decent job of showing and explaining it.

Check out these videos on how to use an A Frame...we haven't used ours yet.

Using the A frame to map out contour lines on the land.

Here's another version of using an A frame:

Using the A Frame

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