OPHIR, Tooele County — A human-caused fire burned 1200 acres Friday, officials said.

Cami Lee, public information officer for the Bureau of Land Management said the fire began around 5 p.m. near mile marker 4 on highway 73.

Lee said the fire was man made but the exact cause was still under investigation. The fire threatened the Deseret Chemical Depot, but crews were able to contain the spread of the fire from damaging structures.

Lee said the fire was expected to be 100 percent contained by Friday night.

More information will be provided as it becomes available.