Another method of navigating data is utilizing the Bread Crumbs at the top of each data page. Breadcrumbs or breadcrumb trail is a navigation aid used in user interfaces. It allows users to keep track of their locations within programs or documents. The term comes from the trail of breadcrumbs left by Hansel and Gretel in the popular fairytale (Wikipedia).

Figure 13: Bread crumbs for data navigation

In Munetrix, the bread crumbs facilitate your navigation through the data geographically; state, region, county, etc.