Claiming that the Coquille had committed misdeeds such as riding a horse without permission , the Volunteers attacked the Nasomahs as they slept and killed about 20 of them .
In 1854 , about 40 miners formed an anti-Coquille vigilante group , the Coos County Volunteers .
Claiming that the Coquille had committed misdeeds such as riding a horse without permission , the Coos County Volunteers attacked the Nasomahs as Coos County Volunteers slept and killed about 20 of Coos County Volunteers .
In 1854 , about 40 miners formed an anti-Coquille vigilante group , the Coos County Volunteers .