Retrieving samples from a CTD

View looks up to the sky through a metal frame with tubes and instruments, and a woman wearing a hard hat is working on it.

Detailed Description

USGS scientist Nancy Prouty collects samples from a CTD. A CTD is package of electronic instruments that measure conductivity, temperature, and depth of water.


Image Dimensions: 1280 x 720

Date Taken:

Location Taken: US