(Holbrook - new, 1976, AZ-10-02) S. of Holbrook, Navajo County, AZ. AZ77 (Apache Av.) S. 2.35 miles from jct with Bus.I40 (Hopi Dr.) in Holbrook, E. on Code Talkers Dr. 0.3 miles to the courthouse on the S. side of the road. (N34 52.197 W110 09.316) Photos by Paul Chandler 8-11-21.