Raster data

Information characterizing a geographic area by specifying measures or observations at regularly-spaced grid points, normally stored in rows and columns of an array.
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Surface mineral maps of Afghanistan derived from HyMap imaging spectrometer data, version 2

The report presents new maps from data collected in 2007 and the processing steps applied to that data. The maps are being used for natural resource development and to prioritize study areas of mineral distribution to assist with economic revitalization.