Field Definitions are Available Here
Collection
varstring(24)
Optional
Keyword used to describe specific characteristics of a collection at a higher level of detail than provided by ECSVari-ableKeyword.
Laser Reflectance
ECSDisciplineKeyword, ECSTopicKeyword, ECSTermKeyword, ECSVariableKeyword
Laser Reflectance
Must be used with ECSDisciplineKeyword, ECSTopicKeyword, ECSTermKeyword, ECSVariableKeyword.
METADATA > COLLECTIONMETADATA > DisciplineTopicParameters > DisciplineTopicParametersContainer > ECSParameter.ECSParameterKeyword
/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:descriptiveKeywords/gmd:MD_Keywords/gmd:keyword/gco:CharacterString
Note: if used, see also - /gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:descriptiveKeywords/gmd:MD_Keywords/gmd:type/gmd:MD_KeywordTypeCode
Descriptive Information