抄録
Kamaishi and Miyako are two large cities in the eastern coast of Iwate Prefecture and are 55.4km apart each other. A survey was made at Yamada 28.9km from Kamaishi and 26.5km from Miyako. It is confirmed that the town of Yamada holds a service area of its own including Osawa, Orikasa and Funakoshi at an intermediate zone between the service areas of the two larger cities.
