transpor- tation facilities, and, finally, the linking of communities at points of resource develop- Arch Environ Health-Vol 17, Oct 1968 500 ALASKA-FITZGERALD ment with a large urban center providing a full complex of services. Such communities could reasonably support a population of 5,000 or

natural resource development. This is one of a series of Arctic geopolitical issues being resolved. Outstanding issues include border disagreements between Denmark/Greenland and Canada; issues concerning the Northwest Passage; and a difference in opinion in regard to the interpretation of the Treaty