the invasion i in the early days of 1953 utah construction company joined with cyprus mines corporation a distinguished name in mining in the formation of a new company — marcona mining company — for the purpose of devel oping the extensive marcona iron ore deposit the new company employed utah co of the americas a wholly owned subsidiary of utah construction company to construct the facilities and to bring the mine into operation to make this achievement possible it was first neces sary to transport many thousand tons of material and equipment to this isolated area careful planning and precise scheduling were required materiel flowed from the factories and warehouses by rail and highway to the seaports ships loaded in portland san francisco san pedro mobile and new york with cargoes care fully coordinated to arrive when needed and these ships providing the essential life line converged upon the isolated bay of san juan during the early months of this year 21