Precise Leveling in New York City, by Frederick W. Koop, Assistant Engineer, Board of Estimate and Apportionment. Executed 1909 to 1914.

My order was received in good order and in good time. Once again, I am very pleased with my Amazon transactions. The Gort Robot and the CD of the movie "The Day the Earth Stood Still," in which the robot "starred," is going to make a wonderful Christmas present for someone.JHG