Pinegrove soils are on nearly level ridgetops and benches to very steep side slopes. They formed in acid regolith from surface mine operations. Slopes range from 0 to 70 percent. Gilpin soils formed in residuum from interbedded siltstone, shale and sandstone, whereas Lily and Steinsburg soils formed in residuum from sandstone. Upshur soils have fine-textured argillic horizons and formed in residuum mainly from clay shale.
Many areas have sparse vegetation and are used by wildlife or for recreation.
Some areas have been reclaimed and have been planted to trees or seeded to grasses. Ohio and possibly Kentucky, Pennsylvania and West Virginia. The series is of moderate extent. These soils were formerly mapped as mine spoils and later as inclusions in the Barkcamp series.