The Chief Executive Officer of the Royal Commission in Jubail Engineer Mustafa bin Mohammed Al-Mahdi received here yesterday United States Consul General in Dhahran Rachna S. Korhonen, the Economic Minister-Counselor at the U.S. Embassy in Riyadh Edwin Sagurton and their accompanying delegation. During the visit, they were briefed on the progress in industrial, urban, residential, environmental, technical and educational fields in the region.