I do believe we have to understand why reality turned out to be different than expectations and estimates. But you have more public service - certainly many of you - than I have ever had, and you recognize that this is not unusual.
As a great man's influence never ends, so also there is not definite finality, no end, to a great survey; it runs along for centuries, ever responsive to the strain of the increasing needs of a growing population and an enlarging domain.