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Show EVIDENCE TAKEN -II SMELTER CASE; Both Sides Close the Presentation Presenta-tion of Testimony Arfer s Two Days. MATTER WILL BE ARGUED ' BEFORE JUDGE MARSHALL i jEil'ort Made'to-Show That New I Baghouses Prevent Much Damage. ! ' ! Both sides in tho smelter smoko case closed the presentation of evidence before be-fore Judge John A. Marshall iu the fcdoral court Tuesday at the hearing in which the United States Smelting and' Refining company is asking for a modification of the decree handed down by Judge Marshall in tho case of k0'',f.ry ot ul. against the smelters, forbidding for-bidding tjieui to smelt ores carrying more than 10 per cent sulphur. The morning session saw the completion com-pletion of the smelter side of the case, the smellers have consumed ncnrlj' a day and a half in presenting evidence tendmrr to show that the baghouaes recently installed bv them will effectively effec-tively prevent any great damage to crops by removing those solid emana tions which have heretofore been allowed al-lowed to pass out into tho air. They admit that the Hulphur dioxido gas geii-nratcd geii-nratcd in the roasting and smelting processes pro-cesses is not prevented from passing into the air, but claim that this gas diffuses rapidly when it issues from the smelter stacks, and that it docs but little harm. C. B. Spraguo, chief experimenter ex-perimenter of the'eompnny, was again placed upon the stand to discuss the many featured of the new bughouses with which the smelting company hopes to avoid further damage to crops. Mr. Benedict, the chief chemist, was also called to discuss the action of sul-"phur sul-"phur dioxido gas. - Sulphur dioxide gas seems to be the issue in the present case, for all testimony testi-mony has been directed toward showing show-ing exactly what the gas does when contained in the air in certain pro- ' portions and also what effect the gas has when tho air is moisturo-Iadcn. The farmers, through their attorneys, were particularly emphatic in drawing the witnesses' attention to the moisture feature fea-ture of the smoko problem. Sulphur trioxide, or sulphuric acid gas, was also discussed at the heaping. heap-ing. The Binolter people claim that the typo of roasting furnace now used bv them is operatod at such a low temperature that this moro injurious gas is not generated. Farmers' Evidence. ' Tho farmers preseuted their evidence i in about one-third of the time taken ( by the smolting company. But three witnesses wero called. These were Dr. i AV. C. Ebnugh, who holds the chair of chemistry at the Universitv of Utah; : Professor L. A. Merrill and Ralph . E. ( Smith. Tho fanners did not open up ( tho case, but introduced much evidence s presented in tho former hearings, when c the decree was issued. Dr. hlbaugh dis- I cussed a series of elaborate experiments experi-ments which have boon mado on sul- f pnur uioxmo by bimselt. tie gave, several illustrations iu which sulphur dioxido was supposed to bo resnousible for destruction of vegetation. The most striking of thoso was an instance dating dat-ing back to 1906. when in loss than ton days sulphur dioxide had soared a large section of country bocause moisture mois-ture was also present "iu tho air and the winds blew in tho same direction. Arguments in tho caso will bo heard by Judge. Marshall Wednescla3' morning. morn-ing. Tho smelting couipanv was again represented rep-resented by W. U. Dickinson and Andrew An-drew llowatt. A. F. Holdcn, hianag-ing hianag-ing director of the company, was present pres-ent at Tuesday's session. Tho farmers wore represented by Judge William II. King nnd Senator J. L. Rawlins. County Coriunissionor John C. Mackay was present aa a representative rep-resentative of tho farmers' committee.. |