FARMINGTON, N.M. — Firefighters in San Juan County are investigating four brush fires near Shiprock as human-caused.

KOB-TV reports ( ) that San Juan County Fire Chief Craig Daugherty says the fires on Sunday are being investigated as being intentionally set.

The four fires were spread out over a few hours and burned a total of about 70 acres.

Anyone with information about the fires is asked to contact the San Juan County Sheriff.

Information from: KOB-TV,