DENVER (CBS4) – Firefighters are conducting a prescribed burn at the Rocky Mountain Arsenal Friday.

The burn is scheduled to last from 9:30 a.m. to 4:30 p.m.

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Smoke can already been seen in many parts of the Denver metro area.

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(credit: CBS)

Approximately 500 acres north and east of the visitor center will be burned to improve habitat conditions and reduce invasive species.

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The Discovery and Legacy Trails will be closed for the burn operations, but are scheduled to reopen Saturday.