### Question
How does the law define hydrographic data?


### Answer
Under *33 U.S.C. § 892*, **hydrographic data** is defined as:

> information that—


(A) is acquired through—


(i) hydrographic, bathymetric, photogrammetric, lidar, radar, remote sensing, or shoreline and other ocean- and coastal-related surveying

#### Citation:
  - *33 U.S.C. § 892*
  - Heading: **CHAPTER 17-NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION > SUBCHAPTER IV-NOAA HYDROGRAPHIC SERVICES**

