Camp or Fort Iaqua, a military post operational from August 5, 1863 to 1866 was located on Yeager Creek about 18 miles east of the mouth of the Eel River, Colonel Herbert M. Hart, USMC (retired), Historic California Posts: Fort Iaqua (Camp Jaqua, Camp Iaqua), Pioneer Forts of the Far West, The California State Military Museum, 1965 is located on Iaqua Creek 4 miles south-southeast of Iaqua.