Unique values of TYPE_URI

Value	Number of Occurrences
http://resource.geosciml.org/classifier/cgi/geologicunittype/lithostratigraphic_unit	60386
http://resource.geosciml.org/classifier/cgi/geologicunittype/lithologic_unit	21884
http://resource.geosciml.org/classifier/cgi/geologicunittype/lithogenetic_unit	9046
http://resource.geosciml.org/classifier/cgi/geologicunittype/geologic_unit	4381
http://www.opengis.net/def/nil/OGC/0/inapplicable	3383