Counting and measuring
By Pacific Coastal and Marine Science Center
July 2004 (approx.)
![Two photos of people bending forward near the ground, to measure things.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/eelgrass_grainsize.jpg?itok=68kh7Lps)
Detailed Description
Above Left: Scientists counting eelgrass stems.
Above Right: Scientist taking a digital photograph of beach sediment.
Sources/Usage
Public Domain.