Hydrography

Hydrography is a branch of Hydrology, which is the study of water. Hydrography involves the mapping and charting of rivers and oceans and other bodies of water. There was a hydrographic office located in the United States Government Building. Batman and Marvin once visited there, to get some maps of the Gulf Stream and the Gulf of Mexico.

Appearance
Super Friends
 * Season 1: The Weather Maker