Face
Water
The external surface of a structure, such as the surface of a dam or appurtenance.
- — Dam Safety - Glossary of Terms retrieved 2014-06-01
The external surface of a structure, such as the surface of a dam.
- — Service Hydrologist Reference Manual Glossary of Hydrologic Terms retrieved 2014-06-01
Weather
In hydrologic terms, the external surface of a structure, such as the surface of a dam.