Divers at low tide during tide gage installation. The staff and tide gage orifice have to be covered at low water. This was moderate low tide. Note mussels and thence barnacles marking high tide line on rock face.

Image ID: cgs01242, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Glacier Bay, Composite Island
Photographer: Ensign Patricia Raymond, NOAA Corps


Category: Coast and Geodetic Survey/

• High Resolution Photo Available