since mid-1057 our subsidiary utah co of the americas has been employed in the engineering and construction of a multi million-dollar potash refinery including a 3,000-foot mine shaft and related mine surface facilities near esterhazy sas katchewan canada for international minerals & chemical corporation canada ltd the aerial view above shows the virtually completed surface facilities 00 miles southwest of sydney australia our subsidiary utah australia limited is constructing tantangara dam on the murrumbidgee river pictured here and the loy mile murrumbidgee-eucumbene diversion tunnel under contract with the snowy mountain hydroelectric author ity the height of the dam will be 152 feet the width ranges from 1u0 feet to 10 feet from base to crest respec tively recently tunnel driving has been progressing at a rate approaching 1,100 feet per week from two headings a record achievement in this type of operation at the extreme right is shown a concrete foundation-placing operation for a power plant in progress in east pakistan here 45 miles above the confluence of the karnafuli river with the bay of bengal our subsidiary utah international inc is engaged in a 50,000,000 hydroelectric project which includes a dam spillway and 120,000 kw capacity power plant for the government of pakistan international operations through a number of wholly-owned subsidiaries alone or in association with other contractors utah in 1959 ren dered construction and engineering services in 13 countries on the six world continents in latin america we are par ticipating in or managing the construction of hydroelectric facilities in ecuador and brazil river control and land reclamation in mexico and in 1959 completed the huge copper processing plant for southern peru copper corpor ation commencing in 1960 we will design and construct a 22 million iron ore beneficiation plant in peru for our affil iate marcona mining company in the far east utah is also engaged in hydroelectric project construction in thai land and east pakistan in australia our subsidiary utah australia lim ited has booked an encouraging volume of diversified con tracts which include a dam and two tunnels for the snowy mountain hydroelectric authority a petrochemical plant a bridge stripping operations and other industrial assign ments in mid-1959 an important multimillion-dollar railroad contract in the republics of congo and gabon formerly french equatorial africa was awarded to a utah-sponsored group of international contractors by compagnie miniere de l'ogooue of which u s steel is the largest stockholder