Water Operations And Maintenance Bulletins
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- Nameplates:
- Attachment With Pressure Sensitive Tape 38
Identification, Piping and Controls 74
- National Safety Council:
- Data Sheets 58, 61, 66, 74
- Natural Gas Still Cheapest for Irrigation Pumping 134
- Needle Valves:
- Balanced 116
Cavitation 116
Ensign (Balanced) 116
Interior Differential 116
Internal Differential 116
Investigation 144
Mechanically Operated 116
Minatare Dam 116
Operating and Maintenance Problems 116
Operating Shaft Support 29
Paradox Control 116
Recommended Operating Practices 116
Repair Procedures 116
Replacement 139, 144
- Neoprene:
- Dam Waterproofing 4
- Nets:
- Canal Safety 24, 51
- Neutron Probe 99
- New Roofing Systems 79
- Noise Barrier, Easy to Clean 113
- Noise Detector:
- Bearings 43
- Noise, Dig Hole to Deaden Pumping Noise 157
- Nondestructive Testing - Large Dams 185, 195
- Notched Irrigation Ditches 129
- Nutria:
- A Ditchbank Pest 46
- Nylon Ropes 107
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