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Evaporation, seepage, and application.
Increase and decrease in surface runoff.
Need for improved supply ---
Review of background experience in protection of water resources.
Control of supply..
Vegetative and tillage practices_
Control of density.
Spreading of runoff.
Storage loss and prevention..
Loss
Loss prevention.
Conveyance losses and prevention.
Means available to control losses.
Asphalt membrane lining--
Asphaltic concrete lining..
Asphaltic prefabricated lining-
Asphaltic macadam____
Plastic and butyl rubber lining-
Concrete pipe---
Vegetation control..
Irrigation and improvements..
Farm technology-
Selection of lands..
Preparation of lands, drainage and water control.
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Salt water conversion, cloud-seeding, and long-range weather
forecasting
Minimum soil tillage-
Need for accurate water measurements.
Agricultural machinery..
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Added improvements.
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86564 0-62—2
Review of new materials, equipment, and techniques for water resource
management_ _ _
Water supply improvements -
General..
Chemicals for eradication of trees and brush.
Asphaltic sprays and chemicals to waterproof soils..
Plastics to increase runoff.......
Carbon black, hexadecanol, and plastic films to increase melting
and runoff
New plastics and chemicals needed to reduce evaporation.....
Storage improvements...
Cationic asphaltic emulsion soil stabilization....
Butyl, plastic, asphaltic membranes..
Portland cement grout blanket....
Evaporation reduction from reservoirs.
Evaporation reducing materials needed...
Aromatic solvent method of weed control and other needs.
2
Asphaltic emulsion and portland cement grout as injected
sealants__
Lower Cost Canal Lining Committee-
Soil compacting equipment to place thinner earth lining-
Miles of lined canals.
Remaining unlined canals..
Research in soil additives__.
Cement grout blanket placement_
Anticorrosive coatings on equipment.
Irrigation improvement by reducing infiltration....
Cast in place concrete pipe and plastic pipe-
Sprinkler irrigation, chemical compounds, fatty and resin soaps
and fatty acids.
Irrigation improvements by increased infiltration_
Wax emulsions..
Desirability-
Control of evaporation from soils.
Sheet plastics, asphalt impregnated paper, asphalt and wax emul-
sions, resinous polymers and cationic asphalts...
Monomolecular film to reduce transpiration from plants.
Direct current electrical treatment of soils...
Saline water conversion_..
Less expensive subsurface drains.
Reduction in soil compaction...
Measurement of water..
Instruments to determine soil-moisture conditions.
Automation of irrigation-----
Electronic computers, automatic border takeout gates, and auto-
Jutes, plastics, and chemical canal sealants_
Butyl plastic pipe for irrigation...
Agricultural weather forecasting--
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Machines to dig trenches and to lay drain tile.
Drainage by pumped wells..-.
All ferrous alloys in turbine pumps.
Plastics and ceramics to resist aggressive water..
Anaerobic bacteria and effect on well and pumps. -
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Review of new materials-Continued
Drainage Continued
Drainage investigations. -
Need of portable depth-measuring device_
Surface drains__.
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Use of inert materials_
Planning, design, construction, operation and maintenance of control struc-
tures for irrigation, flood control, municipal water supply, navigation,
power and river regulation...
Site investigations.
Items suggested for research and development__.
Profile meters and sounding devices..
Stereo cross-sectional and profile data...
Aerial triangulation and automatic computer compilation of
topographic mapping..
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Ultraviolet and infrared light, radioactive isotopes, etc., for
identifying materials for geologic mapping-
In-situ rock properties measurements..
sources_
Development of subsurface investigation techniques.
Geophysical (seismic) determination of modulus of elasticity
and Poissons ratio of foundation rock by onsite tests. -
Electrical logging of canals to detect seepage__
Improvements in correlation and use of subsurface geologic
data_
Subaudible rock noise listening devices..
Continuous vibration procedures for probing foundation rock
to detect flaws..
Drill behavior monitoring device.
Study of drill holes by photographic and TV cameras.
Bore hole stress-strain meter...
Improvement of standard geologic and geophysical tech-
niques___
Vane shear instruments, soil samplers, electric resistivity, inductance, seismic velocity and nuclear energy sources-- Permeability, pore-water pressure and shear strength_-_- Machinery to evaluate possible aggregate and pozzolans
Hydrology...
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Basic data_.
Cast-in-place concrete slabs and immersion-type air meter to
Epoxy coal-tar, catalyzed phenolic, and epoxy paints.
Vinyl resin and cuprous oxide paints.....
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Planning, design, construction-Continued
Engineering methods and materials—Continued
Earth.
Nuclear instruments in placement density and moisture
content
Automatic, mechanical compacting machines.
Conventional types of compaction equipment_
Instruments to study earth and rock-fill dams..
Commercial porous ceramic stones to determine pore
pressure
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Pressure cells to determine contact pressures and deforma-
tion....
Testing of expansive soils...
Chemicals needed to stabilize soil...
Chemicals for grouted cutoff curtains for dams_
Split-spoon penetration test.
Vane shear test of soils.
Earth dams in loess..
Low density soils identification__
Apparatus to determine shear properties of gravelly soil.
Heavy drilling mud and chemical additives to support drill
holes..
Electric power.
High voltage transmission and larger generators_-
High voltage transmission of a.c. and d.c. current.
Plastics, rubber, and epoxy resins for arc resistance_
Silicone grease to protect ceramic line insulators..
Testing equipment for generating units..
Closed TV circuit and new design of transmission towers.
Hydraulics (including oxygen content of water) -
Flow measurement equipment..
Flow recorders needed..
Testing and calibration of weirs and studies needed..
Propeller meters, critical depth meters, metergates, displacement
meters, radical gates, slide gates, and valve studies..
Radioisotopes in water measurement_
Radioisotopes in determining seepage and permeability in soils... –
Turnouts for closed conduit irrigation systems...
Chart establishing rock size for controlling erosion.
Steel jacks and jetties...
Dissipating energy in flowing water.
Dissolved oxygen content in water..
Dissolved oxygen increased by turbulence..
Industrial waste in streams.
Bacterial action___
Artificial oxygenating equipment needed.
Plastics__
Epoxies
Polysulfide synthetic rubber and rubberized asphalt..
Plastics and its use..
Plastics and sealers improvement needed.
Riprap materials and placement methods..
Soil-cement and asphaltic concrete__
Rock materials and mechanics..
Instrumentation___
Fundamental data..
Portable equipment_
Structural
Reinjectable grouting valves_
Rubberized fabric dams..
Fallout protection--
High-speed digital computers_
Noise reduction..
1. Thick compacted earth canal lining to minimize seepage losses.
2. Buried vinyl plastic canal lining.
3. Phreatophytes (salt cedar) along Pecos River.
4. Automatic dispenser utilizing melted long-chain fatty alcohols to form
a monomolecular film for evaporation control__
5. Dense growth of aquatic weeds in canal_.
6. Experimental machine for injecting sealants below canal subgrade___
7. Pneumatic method of applying asphalt emulsion mortar canal lining--
8. Traveling machine constructs concrete pipe in place......
9. Bacterial action on parts of vertical turbine pump-
10. Testing of rock characteristics on yellow tail damsite abutments.
11. Vane shear test apparatus to deterimine inplace strength of saturated
clays
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12. Several vibrators mounted on tractor for consolidation of concrete.
13. Immersion type air meter for deterimining air content of fresh concrete_
14. A radioisotope sediment densitometer..
15. Transport and placement of transmission line towers by helicopter__
16. Movable-bed hydraulic model to develop design procedures for steel
jacks and jetty fields...
17. Test section of soil-cement facing on Bonny Dam, Colo___
18. Laboratory apparatus for making triaxial elasticity test of foundation
rock core..
TABLES
Table No. 1. Linings placed (canal)_ _
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