- New York State Civil Service (Waterford, NY)
- …gate is down, to regulate water flow to the locks below the guard gate. Operates a movable bridge by energizing a control panel to raise or lower the bridge , ... mechanical, electrical, or hydraulic operation of a canal lock, movable dam or lift bridge . Incumbents also...fill or empty the lock chamber, and when water level is equalized, energizes control panel by manipulating one… more