| Unit symbol: | w |
|---|---|
| Age range | Holocene (0.0117 to 0 Ma) |
| Source map | Water and ice digitized from 1:63,360-scale quadrangle topographic sheets, produced in the mid 1980's |
|---|---|
| Symbol | water |
| Description | Water bodies |
| Description | Water (streams, lakes, ocean) |
|---|---|
| Geologic age | Holocene |
| Lithology | Form | Importance |
|---|---|---|
| Water | Lake, stream, or ocean | Major |