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Iorg began his career in pastoral ministry, serving in both his home state of Texas as well as in Missouri before becoming founding pastor of one of the largest Southern Baptist churches of the Northwest, Greater Gresham Baptist Church in Gresham, Oregon.
As an engineer, he determined the boundary lines between Iowa and the Little Colorado River, surveyed routes for a railroad from the Mississippi River to the Pacific Ocean, and was the chief surveyor of the party charged with the delineation of the boundary of the northwest United States and British North America, 1857–1861.
OR-7, a gray wolf being electronically tracked in the Northwest United States
The SS Olympia was a steamship laid down as the SS Doune Castle and upon purchase named the SS Dunbar Castle that served the northwest United States and Alaska during the Klondike Gold Rush.
In 1935 he was made a full-time union officer, responsible for the northwest United States and for Canada west of Port Arthur, Ontario.