http://gallery.usgs.gov/images/logos/usgs_only.jpg USGS Multimedia Gallery Collection for: Employees at Work http://gallery.usgs.gov/ en-us OC_Web@usgs.gov (Office of Communications Web Group) http://gallery.usgs.gov/images/USGS.gif USGS http://gallery.usgs.gov/ <![CDATA[Brent Knights and Jon Vallazza conduct a river productivity study aboard the E.D. Cope, Upper Mississippi River System. ]]> http://gallery.usgs.gov/photos/03_13_2009_f30Meq5DCx_03_13_2009_0 <![CDATA[A USGS scientist operates an X-ray diffraction machine at the National Center in Reston, VA. ]]> http://gallery.usgs.gov/photos/03_11_2009_f30Meq5DCx_03_11_2009_0 <![CDATA[Erika Lentz examines Pennsylvanian coal samples in West Virginia. ]]> http://gallery.usgs.gov/photos/03_11_2009_f30Meq5DCx_03_11_2009_1 <![CDATA[Seth Book examines ground-water discharge along the shorline of Hood Canal, WA. ]]> http://gallery.usgs.gov/photos/03_11_2009_f30Meq5DCx_03_11_2009_2 <![CDATA[Beth Stettner, USGS, demonstrates rock identification at the National Scout Jamboree. ]]> http://gallery.usgs.gov/photos/03_11_2009_f30Meq5DCx_03_11_2009_3 <![CDATA[Steve Nagel collects data from a weather station in the Shenandoah National Park. ]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_0 <![CDATA[Christian Bongard collects data from a weather station in the Shenandoah National Park. ]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_1 <![CDATA[Mike Sabatino (volunteer for science) wires a weather station in the Shenandoah National Park]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_2 <![CDATA[Bill Foreman, research chemist at the National Water Quality Laboratory, prepares a soil sample for the National Water Quality Assessment Program. ]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_3 <![CDATA[Laura Coffey,a chemist at the National Water Quality Laboratory, loads on-line solid-phase extraction cartridges into the high-performance liquid chromatography/mass spectrometer (HPLC/MS) in preparation for testing and calibration]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_4 <![CDATA[Wisconsin Department of Natural Resources employees measure current velocity and dissolved oxygen as part of a Long Term Resource Monitoring Program (LTRMP) partnership with the Upper Midwest Environmental Sciences Center (UMESC), Upper Mississippi River System (UMRS) Pool 8]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_5 <![CDATA[Tom Custer, Ann Secord (USFWS), and Paul Dummer transport swallow boxes to place along the Hudson River, NY. ]]> http://gallery.usgs.gov/photos/03_05_2009_fja4DQo10W_03_05_2009_6