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<br />General Report
<br />
<br />"; 6 'J ."
<br />, ,- (
<br />
<br />Table Paie
<br />27. CompnriBon of estimated and recorded inflow to
<br />Elephant Butte Reservoir at San Marcial 4,~
<br />28. Comparison of deduced and recorded now at San
<br />Marcial fUf munths when recorded flow is in-
<br />dicated to 'ue in error .j!j
<br />29. Comparison of deduced and recorded flow at San
<br />Marcial (or munths when records other than San
<br />Marcial are indicated to be in error 46
<br />30. Estimated consumption of inflow and tributary
<br />inflow, Otowi Bridge to Snn I\Inrcial, corrected for
<br />dcduccr\ San Marcial flow .10
<br />a 1. Estimated menl1 COIlSlllllptioll of influw and lllean
<br />tributary inflow, Otowi Bridge to Sail Marcial,
<br />1890-1935, lIBillg deduced San Marcial flow 46
<br />32. Estimated run-off of Rio Grande at Otowi Bridge,
<br />N. Mex., under present irrigation de","eloprucnt
<br />in San Luis Valley 47
<br />33. Estimated consumption of inflow to the Middle
<br />Valley, Otowi Bridge to San l\-Ill.rcill.I, under present
<br />irrigation development in Snn Luis V nlley 48
<br />34. Estimated run-off oC Rio Grande ll.t San Marcial,
<br />N. Mex., under present irrigation development.
<br />in San LuIs VaHey 48
<br />35. Return water between Del Norte and Aln.mosa
<br />gages, Sa.n Luis Valley, 1936 50
<br />36. Return water between Del Norte and Alnmosa.
<br />gages, San Luis Valley, 1928 to 1936 51
<br />37. Rio Grande diversions to the closed bnsin, San Luis
<br />Valley 52
<br />38. Monthl)" distribution oC return water between Del
<br />Norte and Alnmosa gages, San Luis Valley 52
<br />39. Return water in the Conejos area, San Luis Va.lley,
<br />1930 52
<br />40. Return water in the southwest area exclusive oC the
<br />Conejos unit, San Luis Valley. 1936 52
<br />41. Return water between Alamosa and Lobatos gages,
<br />San Luis Valley, ] 936 53
<br />42. Return water between AIamosa and LobatoB gages,
<br />San Luis Valley, 1930 to 1936 53
<br />43. Discharge oC interior drains oC middle Rio Grande
<br />conservancy district, 1036 53
<br />44. Gross River diversions in the middle Rio Grande
<br />conservancy district, 1936 55
<br />45. Net diversions and drainn.ge return, Rio Grande
<br />project, 1930-36 55
<br />46. Monthly distribution oC draillage return, Rio
<br />Grande Project, 1930-36 55
<br />47. Discharge of artcsian springs in San Luis Valley, 1936 58
<br />48. Areas in the Middle Valley hll.\"illg ground water
<br />at given depths in October 1936 60
<br />49. Comparison oC depths to groulld water ill the Middle
<br />Valley in 1927 and 1936 61
<br />50. Totals and weighted mean conccntrations or s.alts ill
<br />the Rio Grande in 1936 at nine control stations G3
<br />51. Annual tota.ls and weighted mean concentrations oC
<br />flalts in the Rio Grande at three control stations
<br />above Eleplumt Butte Reservoir. Means for 1934
<br />to 1936, inclusive G3
<br />52. Annual totals and weighted mcan concentrations oC
<br />snlts in the Rio Grande at five control statioll8
<br />below Elephant Butte Rcservoir. Men.I1R for 1931
<br />tu 1936, inclusive li3
<br />!i3. Metloll COlldllctunce of irrigation water 8011(1 water in
<br />riverside and interior t..lrailltlll( Middle Rio Grande
<br />Conservancy District, New Mexico, H.l31.i (j4
<br />
<br />3
<br />
<br />Tahle 1'1I!:"e
<br />54. Salinity of ground wn.ter!l of tile Middle Rio Grn.ntle
<br />VaUey,1936 lj4
<br />!is. Totals and mCrl.ll cOllcentrntiolls of salts ill river
<br />and drain water uf divisiolls of Rio CroJl(.le Proj-
<br />ect, New Mexico and Texas. Means Cor 1930-36 G4
<br />56. Salillity oC ground water in observation wells and
<br />contiguous drains in di\'isiolls of Rio Grande Proj-
<br />ect, New Mexico and Texas, 1936 65
<br />57. Acreages irrigated ill San Luis Valley, as derived
<br />(rom water commissioners' reports fig
<br />.ri8. Irrigated arelL, San Luis Valley, Colo., J'l~portcn. by
<br />sur\'eys of Tipton, Osgood, Bliss, and Dallas fi!)
<br />,':19. Irrigated acreages ill the i\liddle sectioll comprising
<br />the Rio Grande drainage mea in New Mexico
<br />above San Marcial 71
<br />60. Deduction by Hedke of irrigation development in
<br />Midrlle Rio Grande ValJey, Coehiti to San Marcinl,
<br />1600 to 1925 71
<br />til. Acreages irrigated in Elephant Butte-Fort Quitman
<br />section, Upper Rio Grnnde Basin 75
<br />62. Irrigated and other water-consuming lUeas, Sall
<br />Luis section, 1936 75
<br />63. Active irrigation districts in San Luis Valley, Colo. 76
<br />(34. Irrigated and other v.'ater-collsuming arena, Middle
<br />section, 1936 78
<br />65. Irrigated arens in Rio Chama drainage, 1936 79
<br />66. Irrigated and other water-consuming acreages in
<br />Middle Rio Grande cOllservancy district, 1936 82
<br />G7. Indian Pueblos in the Middle scction ?l2
<br />G8. Irdgated and other water-collsuming areas, Elephant
<br />Butte-Fort Quitmall section, If)3U 82
<br />09. Irrigation on Rio Grande tributaries, Sn.n i\ln.rciul
<br />to Rincon Valley, 1030 83
<br />70. Acreage irrigated on the Rio Grande Project, 1936 85
<br />71. Irrigated and other wfLter-consuming areas in the
<br />Upper Rio Grande Basin 87
<br />72. Gross diversions by major canal systems in Upper
<br />Rio Grande Basin, 1936 88
<br />73. Consumptive use oC wllter in Upper Rio Grande Basin
<br />as derived from previous studies of various in-
<br />vestigators 89
<br />74. Consumptive use oC water by representative areas
<br />in Upper Rio Grande Basin as deri....ed by Bureau
<br />oC Agricultural Engineering 89
<br />75. Evnpo-trn.nspirntion and soil moisture sampling sta-
<br />tions established snd maintained by Bureau oC
<br />Agricultural Engineering in Uppcr Rio Grande
<br />Basin in 1936 90
<br />76. Units sssumed in estimating consumptive water re-
<br />quirements, in acre-Ceet per acre, San Luis Valley,
<br />Colo. 90
<br />77. Estimate of consumptive water rCQuircments in the
<br />San Luis Valley, Colo. 90
<br />78. Units assumed in estimn.ting consumptive water rc-
<br />quiments, in n.cre-Ceet p~r at:re, Colurado-New
<br />Mexico State line to San Marcial, N. l\Iex. 91
<br />79. Estimo.te of consumptive wn.ter requirements, main
<br />stem oC Rio Grande, Colorado-New Mexico State
<br />line to S:lll Marcial, N. Mex. 91
<br />80. UnJts nssllmeu in estimating consumptive water re-
<br />quirements in acre~feet per :\l~rc, Dan i\l:l.rcial,
<br />N. Mex., to Fort QlIitlll:l.ll, Tl~.'\. 01
<br />81. Estimate of conslImptive water fI~qllil'I.:Il\(:lll..;: Il\:dll
<br />stern or Rio Crunde, S:LIl l\brc~hd, N. i\Ic\:., 1.!l
<br />Fort QIlit.man, Tex. 92
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