Images

Iron Reducing Bacteria
FeRB isolated using a roll bottle technique from the former Uranium Mine near Ronneburg, Germany, Photo credit: Denise Akob, USGS

Raised black external tumors on adult brown bullhead (Ameiurus nebulosus) collected from Lake Memphremagog (Vermont and Canadian Border) were identified as malignant melanoma in a 2014–17 study.

Burning coal to provide energy contributes mercury to the atmosphere

A team of scientists studied changes in nitrapyrin — a nitrification inhibitor applied with fertilizers as a bactericide to kill natural soil bacteria for the purpose of increasing crop yields — occurrence associated with land use changes from March to June 2016.

Water sampling on the pontoon of a seaplane in Lake Clark National Park, Alaska.

Turbid glacial runoff in roaring river, surrounded by mountains in Lake Clark National Park, Alaska.

Bladder cancer rates have been elevated in northern New England for at least 5 decades in males and females, which suggests environmental causal factors.

A map of Ohio showing the locations of recreational areas sampled in the 201314 study. Modified from figure 1, Francy and others, 2016.

Diatom mat used during a feeding experiment to study the dietary uptake of uranium by mayflies

The new Damage Assessment and Restoration Tracking System (DARTS) Web site provides an interactive map that identifies Natural Resource Damage Assessment and Restoration (NRDAR) cases. The shapes of icons represent incident type; icon color represents the status of the case.

USGS scientist sampling tap water from a public water supply.

Fog along the Yukon River showing a Black Spruce dominated forest in the foreground, which is prone to wildfire.  Photo by Bruce Wylie, USGS

Before and after photos of Fourmile Creek near Ankeny, Iowa, showing a wastewater outfall from a wastewater treatment facility (WWTF). The top photo is the creek before the WWTFwas closed, and the bottom photo is after the WWTF was shutdown. After the shutdown flow in the creek decreased significantly. Photo credits: Laura E.

USGS scientist sampling tap water from a public-water supply.

Cyanobacterial blooms, such as the one shown that occurred in 2016 on Lake Okeechobee, Florida, can release toxins.

Green River in the Upper Colorado River Basin.

The Green River in the Upper Colorado River Basin.

Soil sampling near the Kanab North uranium mine site in Arizona.

Soil sampling near the Kanab North uranium mine site in Arizona.

Scientists Andrew Ramey, Bjorn Olsen, and Jonas Bonnedahl (L to R) setting a trap for gulls at the Soldotna landfill in June 2016.

In this photo the USGS scientist is getting ready to measure discharge (flow) in the same stream as above (from New York Branch, Iowa), but after a rainfall event.