retrieve the geomaterials by an given value of groupid.
Source:R/mindat_geomaterials.R
geomaterials_by_groupid.Rd
: Queries the list of geomaterials that match an given groupid.
R/mindat_geomaterials.R
geomaterials_by_groupid.Rd
: Queries the list of geomaterials that match an given groupid.