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USGS Spectral Library Version 7 Data
This data release provides the U.S. Geological Survey (USGS) Spectral Library Version 7 and all related documents. The library contains spectra measured with laboratory, field,... -
ASCIIdata Spectra in ASCII text files, including separate files with waveleng...
ASCIIdata Files containing spectral data in ASCII text format: - measured spectra (ASCIIdata_splib07a.zip), including wavelength positions and bandpass (Full-Width at Half-... -
Geologic Provinces of Africa, 2000 (prv7_2ag)
This coverage includes arcs, polygons and polygon labels that describe U.S. Geological Survey defined geologic provinces of the Africa. Each province has a set of geologic... -
u571af.m77t: MGD77T data file for Geophysical data from field activity 71005 ...
Single-beam bathymetry, gravity, and magnetic data along with transit satellite navigation data was collected as part of field activity 71005 (U-5-71-AF) in Continental Margin... -
Hydrologic Derivatives for Modeling and Applications (HDMA) database
The Hydrologic Derivatives for Modeling and Analysis (HDMA) database provides comprehensive and consistent global coverage of raster and vector topographically derived layers....
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