@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix prov: <http://www.w3.org/ns/prov#> .

<https://datagraph.stage.matportal.org/id/dataset/usgs-spectral-library-v7> a dcat:Dataset ;
  dcterms:title "USGS Spectral Library Version 7" ;
  dcterms:description "Reference database of reflectance spectra of minerals, soils, organic and man-made materials measured under standardized laboratory conditions. Fills a major gap in reference spectroscopy." ;
  dcterms:identifier "https://doi.org/10.5066/F7RR1WDJ" ;
  dcterms:license "Public Domain (USGS-authored data)" ;
  dcterms:publisher "U.S. Geological Survey" ;
  prov:wasDerivedFrom "Metadata imported for MatPortal. Data release includes SPECPR and ASCII text datasets."
  ; dcat:keyword "spectroscopy"
  ; dcat:keyword "reflectance spectra"
  ; dcat:keyword "minerals"
  ; dcat:keyword "soil"
  ; dcat:keyword "reference library"
  ; dcat:distribution <https://datagraph.stage.matportal.org/id/distribution/usgs-spectral-library-v7/resource_d4c8a004b057c9ee> .

<https://datagraph.stage.matportal.org/id/distribution/usgs-spectral-library-v7/resource_d4c8a004b057c9ee> a dcat:Distribution ;
  dcterms:title "USGS Spectral Library v7 ASCII Data" ;
  dcat:accessURL <https://dx.doi.org/10.5066/F7RR1WDJ> ;
  dcterms:format "ZIP" .