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1'- - ",- '~'<J .'--l (.;J { "\ -~ in Artiole II of the Compaot shall have suffioient range below max- imum reservoir level to reoord major fluotuations in storage, staff gages may be used to determine fluotuations below the range of the water stage recorders on these and other large reservoirs, and staff gages may be used upon approval of the Commission in lieu of water stage reoorders on small reservoirs, provided that the frequenay of observation is suffioient in eaoh oase to establish any material changes in water levels in suoh reservoirs. , RESERVOIR CAPACITIES ColoradO shall file with the Commission a table of areas and'oap- aoities for each reservoir in the Rio Grande Basin above Lobatos con- atruoted after 1937; New Mexioo ehall file with the Commission a table of areas and oapaoities for eaoh reservoir in the Rio Grande Basin betv~en Lobatos and San MaroIal oonstruoted after 1929; and Texas shall fils with the Commission tables of areas and oapaoities for Elephant Butte Reservoir and for all otter reservoirs actually available for the storage of water between Elephant Butte and the first diversion to lands under the Rio Grande project. Whenever it shall appear that any table of areas and oapaoities is in error by more than five percent, the Commission shall use its best. efforts to have a re-survey made and a corrected table of areas and capacities to be substituted as soon as practioable. To the end that the records of flow of the Rio Grande at San Maroial, at San Aoacia, and below Elephant Butte Reservoir may be oorrelated, the Commission shall use its best efforts to have the rate of acoum- ulation and the plaoe of' deposition of sUt in Elephant Butte Reser- voir ohecked at lsast every three years, ACTUAL SPILL Ll (a) Water releases from Elephant Butte in excess of Projeot requirements, whioh is ourrently passed through Caballo Reservoir, prior to the time of spill, shall be deemed to have been Usable Water released in anticipation of spill, or Credit Water if such release shall have been authorized. (b) Excess releases from Elephant Butte Reservoir, as defined in (a) above, shall be added to the quantity of water actually in stor- age in that reservoir, and Aotual Spill shall be deemed to have com- menced when this sum equals the total physical capacity of that reser- voir, to the level of the uncontrolled spillway i.e._2,219,OOO acre feet in 1942. (c) All water aotually spilled at Elephant Butte Reservoir, or released therefrom, in exoess of projeot requirements, whioh is our- rently passed through Caballo Reservoir, after the time of spill, shall be oonsidered as Aotual Spill, provided that the total quantity of water then in storage in Elephant Butte Reservoir exoeeds the phy- sioal oapaoity of that reservoir at the level of the sill of the spillway gages i.e,-l,830,ooO aore feet in 1942, Ll Adopted at Fifth Annual Meeting, February 24, 1943 ---