By: M. G. Best, S.K. Grant, L.F. Hintze, J.G. Cleary, A. Hutsinpiller, and D.M. Saunders
Geologic maps use a combination of colors, lines, and symbols to depict the relative age, composition, and relationships among rocks and sediments at and near the earth's surface.
Plates: 1 pl.
Location: Beaver County and Iron County