Texture is loamy fine sand, loamy sand, fine sand or sand. Reaction ranges from very strongly acid to moderately acid. The C horizon has hue of 7.5YR to 5Y, value of 4 to 7, and chroma of 1 to 6. Texture is loamy fine sand loamy sand, fine sand, sand, or coarse sand. Thin strata of very fine sandy loam or fine sandy loam are present in some pedons below a depth of 40 inches.
Reaction ranges from very strongly acid to moderately acid.
The Skowhegan series is the only other series in the same family. Skowhegan soil have a thinner solum than Croghan soils and contain appreciable amounts of dark colored minerals. Croghan soils are on terraces and sand plains. Slope ranges from 0 to 15 percent. They formed in deltaic or glacial outwash sand that was deposited in or next to proglacial lake basins.