Caroline Harrell (sitting in distance with baby) and her family fishing at the Iatt Dam, in Colfax, Louisiana on May 9, 2017., born 1978

Ashley Gilbertson

A cloud of smoke rises above Radford Army Ammunition Plant during an open burn of high explosives on the New River in South West Virginia, on May 30, 2017., born 1978

Ashley Gilbertson

Peggy Gann, 61, her husband, George, 65, and their grandson, Mason, outside their home on August 23, 2017., born 1978

Ashley Gilbertson

Susan Roper, 63, retired, and her husband Rick Roper, 61, an emergency room nurse, tend to their vegetable garden behind their home in Mapleton, Utah, on November 11, 2017., born 1978

Ashley Gilbertson

Mountain range surrounding the Nevada Test Site, born 1978

Sim Chi Yin

Cascade Mountains, source of water for cooling Hanford reactor, born 1978

Sim Chi Yin

Wreckage of World Trade Center on Cortlandt Street, New York City, September 11, 2001, born 1948

Susan Meiselas

Grassland #043, born 1965

Phil Underdown

Auto Immune Response: Confluence of Three Generations, born 1969

Will Wilson

SUBSIDENCE CRATERS, born 1951

Peter Goin

SUBSIDENCE CRATER, born 1951

Peter Goin

SEDAN CRATER, born 1951

Peter Goin

DESTROYED ROAD & CRATER, born 1951

Peter Goin

OVERGROWN ROAD & CRATER, born 1951

Peter Goin

ACCELERATED EROSION, born 1951

Peter Goin

SITE OF ABOVE-GROUND TESTS, YUCCA LAKE, born 1951

Peter Goin

GROUND ZERO & TOWER, born 1951

Peter Goin

CEMENT TEST STRUCTURES, born 1951

Peter Goin

COLLAPSED HANGER, born 1951

Peter Goin

ENCLOSED & ELECTRIFIED FENCE, born 1951

Peter Goin