- [between 1959 and 1973]
The item consists of a reel of 16 mm film which includes the following:
Measuring depth and weight of snow for water resource estimates. Use of measuring equipment. Taking stream-flow measurements from a bridge. A wooden flume system; escaping water. Building a new asbestos-cement pipeline. Opening a dam. Testing water from a hand pump. Checking outdoor instruments. Man climbing down a manhole.