(Astronomical Observatory, 18', MO-81-02) at Missouri University of Science & Technology in Rolla, Phelps County, MO. SR E (14th St.) E. 0.3 miles from jct with I44 exit 185, N. (curves E.) on Bus.I44 (Bishop Av.) 0.15 miles, S. on State St. 100’ to the bldg on the W. side of the road. (11-5-09, N37 57.410 W91 46.543) Photos by Jack & June Schmidt.