Robert M. Hirsch
On the C-SPAN Networks:
Robert M. Hirsch is an Associate Director for Water in the U.S. Geological Survey with three videos in the C-SPAN Video Library; the first appearance was a 2007 Senate Committee. The year with the highest average number of views per program was 2009 with an average of 1,367 views per program. Most common tag: Water Supply.
Videos: 3