It was 1979 when potato king J.R. Simplot built a 7,370-square-foot, Mediterranean-style mansion atop a prominent hill in the Boise Highlands. Although the mansion has since been demolished, Simplot’s ...

BOISE Idaho J.R. “Jack” Simplot, the founder of restaurant-industry supplier J.R. Simplot Co. and a key figure in the early growth of quick-service chains like McDonald’s, died peacefully at his home ...

In 2023, the J.R. Simplot Company (Simplot) estimated 1,000 — 1,500 cubic yards (201,974 — 302,961 gallons) of phosphate ore ...

An anhydrous ammonia leak at the J.R. Simplot plant in Grand Forks triggered an evacuation this afternoon. Though initial reports indicated a major leak, fire Battalion Chief Rick Coulter said it ...

An anhydrous ammonia leak at the J.R. Simplot plant in Grand Forks triggered an evacuation Thursday afternoon. Though initial reports indicated a major leak, fire Battalion Chief Rick Coulter said it ...

POCATELLO — The Idaho Department of Environmental Quality is holding an informational meeting and a formal public hearing this week for local residents to provide feedback on a J.R. Simplot project ...

J.R. Simplot celebrated their 80 th anniversary earlier today. J.R Simplot began fertilization operations on December 10 th, 1944. This anniversary is to celebrate the growth of the company and those ...

POCATELLO, Idaho (KIFI) – The Justice Department and the U.S. Environmental Protection Agency announced on Tuesday a settlement with J.R. Simplot Company involving Simplot’s Don Plant manufacturing ...

AMERICAN FALLS, Idaho (KIFI) - American Falls J R Simplot Elementary School has been awarded the prestigious STEM School Designation by the Idaho STEM Action Center. The school was presented with a ...