Kamloops is the largest community in the Thompson-Nicola Regional District and the location of the regional district's offices. The surrounding region is more commonly referred to as the Thompson Country. It is ranked 37th on the list of the 100 largest metropolitan areas in Canada and represents the 44th largest census agglomeration nationwide, with 85,678 residents in 2011. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On Mars large craters are named after deceased scientists, writers and others who have contributed to the lore of Mars. Small creaters (less than 60km) are named after small towns and villages.