The US Reclamation Service - now Bureau of Reclamation for the Minidoka Project in the Burley-Rupert area of Idaho. They performed plane table surve...

We have one dam where the points are set in the ceiling of the outlet tunnel. There are 40 points and the rod is held upside down. So upside down 3 ...

The U.S. Reclamation Service (now U.S. Bureau of Reclamation) used that type of notations in the early 1900's.?ÿ They numbered every 16th corner - ext...