Skip to main content
U.S. flag

An official website of the United States government

Phytoplankton sampling on Shadow Mountain Reservoir

Detailed Description

Photo of USGS employees, Ethan Newman and Katherine Curran, collecting a phytoplankton and chlorophyll sample in the photic zone of Shadow Mountain Reservoir using a modified pool hose. Lily Delmarsh is shown observing clarity conditions using a secchi disk.

USGS 4013311005501401 – Shadow Mountain Lake near Midlake near Grand Lake, Colorado  


Public Domain.