What is needed are recent aerial photographs. I found a new program from the department of Agriculture that is trying to take recent photographs, and I bought two photos that cover most of the park from 2007.
The first example below is a portion of the barerock area. There is a swath of rock features that run across the map. The second is of the northern tip of the horseshoe bend, showing some of the old fields and the new pine plantations. The quality and size of the photo excerpts is reduced, of course.
[caption id="attachment_23" align="alignnone" width="256" caption="Bare rock at Chattahoochee Bend"]
[caption id="attachment_22" align="alignnone" width="256" caption="Horseshoe Bend"]
The plan is to load these into Ocad as templates, and print them at 1:7500 with grid lines and other info, then take them out into the field and use them for field checking.
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