{
  "$schema": "http://json-schema.org/schema#",
  "type": "object",
  "properties": {
    "dc_identifier_s": { "type": "string" },
    "dc_rights_s": { "type": "string" },
    "dc_title_s": { "type": "string" },
    "dct_provenance_s": { "type": "string" },
    "geoblacklight_version": { "type": "string" },
    "layer_slug_s": { "type": "string" },
    "solr_geom": { "type": "string" },
    "dc_description_s": { "type": "string" },
    "dc_format_s": { "type": "string" },
    "dc_creator_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dc_language_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dc_publisher_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dc_source_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dc_subject_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dc_type_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dct_accrualMethod_s": { "type": "string" },
    "dct_accrualPeriodicity_s": { "type": "string" },
    "dct_issued_s": { "type": "string" },
    "dct_references_s": {
      "type": "array",
      "items": {
        "type": "object"
      }
    },
    "dct_alternativeTitle_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dct_isPartOf_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dct_spatial_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "dct_temporal_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "layer_geom_type_s": { "type": "string" },
    "layer_id_s": { "type": "string" },
    "solr_year_i": { "type": "integer" },
    "layer_modified_dt": {
      "type": "string",
      "format": "date-time"
    },
    "suppressed_b": { "type": "boolean" },
    "b1g_centroid_ss": { "type": "string" },
    "b1g_code_s": { "type": "string" },
    "b1g_dateAccessioned_s": { "type": "string" },
    "b1g_dateRetired_s": { "type": "string" },
    "b1g_image_ss": { "type": "string" },
    "b1g_status_s": { "type": "string" },
    "b1g_genre_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "b1g_geonames_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "b1g_keyword_sm": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "b1g_date_range_drsim": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": ["dc_title_s", "dc_rights_s", "dc_identifier_s", "dct_provenance_s", "geoblacklight_version", "layer_slug_s", "solr_geom"]
}