The Colorado River basin supports one of the most distinctive fish communities in North America, including the federally endangered humpback chub (Gila cypha). One of only six remaining populations of this fish is found in Grand Canyon National Park, Arizona. USGS scientists and their cooperators are responsible for monitoring the Grand Canyon population.
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An Endangered Humpback Chub
The Colorado River basin supports one of the most distinctive fish communities in North America, including the federally endangered humpback chub (Gila cypha). One of only six remaining populations of this fish is found in Grand Canyon National Park, Arizona. USGS scientists and their cooperators are responsible for monitoring the Grand Canyon population.
An Endangered Puaiohi (Small Mountain Thrush) in Hawaii
An Endangered Puaiohi (Small Mountain Thrush) in HawaiiMany species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai'i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
An Endangered Puaiohi (Small Mountain Thrush) in Hawaii
An Endangered Puaiohi (Small Mountain Thrush) in HawaiiMany species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai'i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
Controlled Burn at Okefenokee National Wildlife Refuge
Controlled Burn at Okefenokee National Wildlife RefugeControlled burn at Okefenokee National Wildlife Refuge.
Controlled Burn at Okefenokee National Wildlife Refuge
Controlled Burn at Okefenokee National Wildlife RefugeControlled burn at Okefenokee National Wildlife Refuge.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayThis photo was taken before one of the floodgates on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayThis photo was taken before one of the floodgates on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS Measures Flooding Near Bonnet Carre Spillway
Floodwaters rise upstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
Floodwaters rise upstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientist Errol Meche installs a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientist Errol Meche installs a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists Todd Baumann and Errol Meche install a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists Todd Baumann and Errol Meche install a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists Todd Baumann and Errol Meche install a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists Todd Baumann and Errol Meche install a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists Todd Baumann and Errol Meche install a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists Todd Baumann and Errol Meche install a temporary streamgage to measure water levels above and below the the Morganza Spillway. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions. One floodgate on the Morganza Spillway was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayOne floodgate on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayOne floodgate on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS Measures Flooding Near Bonnet Carre Spillway
USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS Measures Flooding Near Bonnet Carre Spillway
Floodgates were opened on the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
Floodgates were opened on the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS Measures Flooding Near Bonnet Carre Spillway
USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS Measures Flooding Near Bonnet Carre Spillway
Logs and other debris flow downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
Logs and other debris flow downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists installed a real-time camera to view the floodwaters below the Morganza spillway. This photo was taken before one floodgate was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists installed a real-time camera to view the floodwaters below the Morganza spillway. This photo was taken before one floodgate was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayThis photo was taken before one of the floodgates on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayThis photo was taken before one of the floodgates on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists installed a real-time camera to view the floodwaters below the Morganza spillway. This photo was taken before one floodgate was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayUSGS scientists installed a real-time camera to view the floodwaters below the Morganza spillway. This photo was taken before one floodgate was opened on May 14, 2011.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayOne floodgate on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayOne floodgate on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayOne floodgate on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS scientists Measure Floodwaters at Morganza Spillway
USGS scientists Measure Floodwaters at Morganza SpillwayOne floodgate on the Morganza Spillway was opened on May 14, 2011. USGS streamflow information is used by the U.S. Army Corps of Engineers to help them make informed flood management decisions.
USGS Measures Flooding Near Bonnet Carre Spillway
USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.
USGS scientists take streamflow and water quality measurements downstream of the Bonnet Carre Spillway near Norco, La. The Army Corps of Engineers uses USGS streamflow data to help them manage flood control structures.