Nebraska Administrative Code — Title 316 (Revenue) + Title 350 (Property)
Neb. Admin. Code § 350-14-002.25 — Depth of Soil is the total thickness of weathered soil material over bedrock or mixed sand and gravel
002.26 Dunelike is a slope term used to describe high rounded hills o r ridges common in areas of drifted sand such as the Sandhills.
Source: official text