Meadowville soils have sandy clay loam or sandy clay 2Bt horizons. Matapeake soils have a silt mantle over unconsolidated sandy coastal plain materials. Murrill soils do not have increasing rock fragment content with depth and have rock fragments of subrounded sandstone or quartzite. Nixon soils have rock fragments that are dominantly quartzite cobbles. Shouns soils do not have as high a content of rock fragments in the lower B or C horizons and have colors of 5YR or redder in the entire Bt horizon.
Thurmont soils have angular rock fragments dominated by quartz, quartzite, granite or gneiss.
Ungers soils have sola with chromas of 4 or less and with hue dominantly 5YR hue or redder and the fine-earth fraction contains less than 40 percent silt. Whiteford soils have rock fragments of slate. Berks , Duffield , Hartleton , Muskingum , Wellston and Westmoreland series are similar soils in related families. Berks and Hartleton soils have loamy-skeletal particle size control sections. Duffield, Wellston and Westmoreland soils have more than 35 percent base saturation.