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pg 003: Effects of Drought in the Rio Grande Basin Publication 9426856.

 
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CONTENTS Page Page Abstract D1 Lower Rio Grande D25 Introduction 1 Edwards Plateau 27 Upper Rio Grande 3 Ground-water storage and discharge 27 San Luis Valley, Colo., by T. G. McLaughlin 6 Devils River 28 Middle Valley and tributaries, New Mexico 7 Utilization of the ground-water reservoir 32 Sunshine Valley, by I. J. Winograd 9 Quality of water 33 Santa Fe area 10 Pecos River 35 Grants-Bluewater area, by E. D. Gordon 12 Upper and middle basins, New Mexico 36 Elephant Butte-Fort Quitman area, New Mexico and Roswell basin 37 Texas 14 Carlsbad area, by L. J. Bjorklund 43 Elephant Butte and Caballo Reservoirs 14 Lower basin, Texas 48 Ground-water reservoirs, by C. S. Conover 14 Red Bluff Water Power Control District 48 Problems developed or magnified in drought 16 Pecos area 48 Storage development 17 Balmorhea and Fort Stockton 50 Unconfined aquifer in San Luis Valley 17 Alpine area 50 Surface reservoirs 18 Regulation and control during drought 52 Rincon, Mesilla, and El Paso Valleys 18 Landownership rights in Texas 52 Consumptive waste and water salvage 19 Pecos River Compact 53 Quality of water 20 Appropriative rights in New Mexico 54 Recapitulation of assets and liabilities 22 Conservation and salvage of water 55 Instruments of management for sustained yield 23 References cited 59 Index 59

ILLUSTRATIONS Page FIGURE 1. Index map showing Rio Grande basin D2 2. Inflow to and outflow from principal divisions of the upper Rio Grande basin, 1895-1957 5 3. Hydrographs of wells in San Luis Valley, 1948-57 8 4. Municipal water supply, Santa Fe, N. Mex., 1880-1955 11 5. Changing patterns of water use in Grants-Bluewater area, 1926-57 13 6. Inflow to Elephant Butte Reservoir, 1916-58 15 7. Hydrograph showing average depth to water in 39 wells in Mesilla Valley, 1946-58 16 8. Quality of water in the upper Rio Grande, 1933-57 21 9. Runoff of the lower Rio Grande, 1901-58 26 10. Hydrographs for Devils River and Goodenough Springs, and water level in well near Del Rio, Tex., 1927-56 29 11. Relation of Devils River runoff to precipitation in drainage basin, 1901-58 30 12. Discharge of Devils River from current and antecedent precipitation, 1927-56 31 13. Dissolved load in the lower Rio Grande, 1934-58 33 14. Concentration of soluble salts in the lower Rio Grande, 1934-58 34 15. Suspended-sediment load of the lower Rio Grande, 1934-54 35 16. Measured runoff and calculated depletion, Pecos River between Alamogordo and Red Bluff Reservoirs 39 17. Cumulative mass diagram of precipitation compared with runoff in middle basin of Pecos River, 1905-56 39 18. Ground-water reservoirs of Roswell basin showing trends in recharge, discharge, and storage, 1935-55 42 19. Some effects of depletion of the ground-water reservoir in Roswell basin 44 20. Water supply for the Carlsbad project, 1915-58 46 21. Discharge from Capitan limestone near Carlsbad, 1939-58 47 22. Fluctuations of quantity and quality of water in Red Bluff Reservoir, 1937-58 49 23. Discharge of springs near Toyahville and Fort Stockton, Tex., 1931-58 51 24. Increase of saltcedar area, Pecos River basin, 1937-53 56

 

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