WERC Scientist Emeritus Mary Ann Madej

Photo of WERC scientist emeritus Mary Ann Madej

Detailed Description

USGS emeritus Dr. Mary Ann Madej holds an "aquaviewer," which she uses to see underwater from the surface. The side tilted upwards includes a space designed to fit the face of the viewer. This device is very useful for locating scientific monitoring tools underwater.


Image Dimensions: 482 x 640

Location Taken: US