I found some of the original notes on what I envisioned our online soil survey interface would someday look like. Our Google Earth application came out pretty similar.

soilweb_idea_2004.jpg
Image: SoilWeb 0.1

ge_pinn-pedons2.preview.jpg
Image: PINN Data in GE 2

Links:

Accessing Soil Survey Data via Web-Services

SoilWeb: An Online Soil Survey Browser

Planned Improvements in SoilWeb