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A Digital Geologic-GIS Map for Ofu and Olosega, American Samoa, produced by the National Park Service Geologic Resources Inventory program. The dataset includes GIS data layers, tables, and supporting documentation, adapted from source maps by the University of Hawaii and Stearns (1981). Data is available in multiple GIS formats, including a file geodatabase and OGC geopackage.
Users must contact Stephanie O'Meara to acquire the data in ESRI shapefile format. QGIS or ArcGIS software is required to use the primary data files.