About this map:

This map shows northern Guam, as defined by the shoreline and the Pago-Adelup fault, which separates the northern from the southern half of the island. This map defines the extent of northern Guam for the purposes of this digital atlas and sets the boundaries for all other maps included herein. The geospatial data used in the map are from the Bureau of Statistics and Plans (BSP), Government of Guam and the geologic map of Guam by Siegrist, H.G. and Reagan, M. (2008).