Boulder County, Colo. - The Boulder County Sheriff's Office has concluded an investigation into the cause of a small wildland fire near Gross Reservoir that occurred on July 11. The investigation is complete and the origin and cause of the fire is declared as undetermined.

A previous press release said the investigation was going to be conducted by the United States Forest Service, that information was incorrect.

The fire was contained to an area of approximately 10 feet by 20 feet. No structures were threatened and no injuries were reported.

The Boulder County Sheriff's Office case number for this incident is: 17-4005.

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/s/ Public Information Specialist, Carrie Haverfield