Add to ORKGPhotograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Wayne Pettyjohn, center, watches as Blyth Hoyle and Randall Ross test water from several tiny water wells in pettyjohn's back yard.
Photograph used for a story in the Oklahoma Times newspaper. Caption: "(Lab worker) Bruce Kessler te...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Marilyn Ogilvie inspects ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tim Welch checks water in st...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Louis Lerr, state soil scien...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "At right, Irvan Heydman take...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Students Allen Myers, Oklahom...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Analyzing water samples take...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chemist-biologist Martin Stok...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Water from the plants gets c...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rudolph Tartsah examines con...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Hydrogeologist, John Harring...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Pete Pereda tests the water f...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "OSU researcher Dr. Robert A....
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cache city Clerk Verniece Wa...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Water samples are analyzed b...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "(Lab worker) Bruce Kessler te...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Marilyn Ogilvie inspects ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tim Welch checks water in st...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Louis Lerr, state soil scien...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "At right, Irvan Heydman take...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Students Allen Myers, Oklahom...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Analyzing water samples take...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chemist-biologist Martin Stok...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Water from the plants gets c...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rudolph Tartsah examines con...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Hydrogeologist, John Harring...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Pete Pereda tests the water f...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "OSU researcher Dr. Robert A....
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cache city Clerk Verniece Wa...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Water samples are analyzed b...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "(Lab worker) Bruce Kessler te...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Marilyn Ogilvie inspects ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tim Welch checks water in st...