Having just sat down for a bit and played with the USDA Web Soil Survey tool , all I can say is wow. In part I'm amazed at how far the availability of soil science has come since I first learned about it, but I'm also amazed at how much more information is provided than just soil information. Interested in how well certain building materials will fare with certain soil types? It's there. Want to know how feasible it is to install a septic system in a particular area? It's got that, too. What I found particularly interesting was the recreational feasibility tool. I panned around to multiple existing recreational areas, pulled up the feasibility feature layers, and was surprised to find that many of them were placed where the soil doesn't generally support recreational activities. In the photo below, note how red the area of interest (AOI) is. The tabular data would indicate that these areas are too sandy for recreational trails. Local knowledge of the site, however, ...