diff --git a/_datasets/zoning-base-districts.md b/_datasets/zoning-base-districts.md
index 0484715..fe9d12b 100644
--- a/_datasets/zoning-base-districts.md
+++ b/_datasets/zoning-base-districts.md
@@ -38,84 +38,84 @@ resources:
   url: http://metadata.phila.gov/#home/datasetdetails/5543864920583086178c4e88/representationdetails/55438a899b989a05172d0d08/
 - description: ''
   format: CSV
-  name: 2015 Zoning Base Districts (CSV)
-  url: https://opendata.arcgis.com/api/v3/datasets/05a70768c2cb4717b2206af8438e362d_0/downloads/data?format=csv&spatialRefId=4326&where=1%3D1
+  name: 2023 Zoning Base Districts (CSV)
+  url: https://opendata.arcgis.com/api/v3/datasets/c12ac152590e4f6e8b05f82b56e2efe0_0/downloads/data?format=csv&spatialRefId=4326&where=1%3D1
 - description: ''
   format: SHP
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+  name: 2023 Zoning Base Districts (SHP)
+  url: https://opendata.arcgis.com/api/v3/datasets/c12ac152590e4f6e8b05f82b56e2efe0_0/downloads/data?format=shp&spatialRefId=4326&where=1%3D1
 - description: ''
   format: GeoJSON
-  name: 2015 Zoning Base Districts (GeoJSON)
-  url: https://opendata.arcgis.com/api/v3/datasets/05a70768c2cb4717b2206af8438e362d_0/downloads/data?format=geojson&spatialRefId=4326&where=1%3D1
+  name: 2023 Zoning Base Districts (GeoJSON)
+  url: https://opendata.arcgis.com/api/v3/datasets/c12ac152590e4f6e8b05f82b56e2efe0_0/downloads/data?format=geojson&spatialRefId=4326&where=1%3D1
 - description: ''
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+  format: api
+  name: 2023 Zoning Base Districts (API)
+  url: https://services.arcgis.com/fLeGjb7u4uXqeF9q/arcgis/rest/services/zoning_basedistricts_032023/FeatureServer/0/query?outFields=*&where=1%3D1
 - description: ''
   format: HTML
-  name: 2015 Zoning Base Districts (Metadata)
-  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/666c83c136fe250027dbd7fd/
+  name: 2023 Zoning Base Districts (Metadata)
+  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/665de270db6891002a6dd280/
 - description: ''
   format: CSV
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+  name: 2022 Zoning Base Districts (CSV)
+  url: https://opendata.arcgis.com/api/v3/datasets/d7fa029445ca4946b4f6d0b0a44140c3_0/downloads/data?format=csv&spatialRefId=4326&where=1%3D1
 - description: ''
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+  name: 2022 Zoning Base Districts (SHP)
+  url: https://opendata.arcgis.com/api/v3/datasets/d7fa029445ca4946b4f6d0b0a44140c3_0/downloads/data?format=shp&spatialRefId=4326&where=1%3D1
 - description: ''
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+  name: 2022 Zoning Base Districts (GeoJSON)
+  url: https://opendata.arcgis.com/api/v3/datasets/d7fa029445ca4946b4f6d0b0a44140c3_0/downloads/data?format=geojson&spatialRefId=4326&where=1%3D1
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+  name: 2022 Zoning Base Districts (API)
+  url: https://services.arcgis.com/fLeGjb7u4uXqeF9q/arcgis/rest/services/zoning_basedistricts_122022/FeatureServer/0/query?outFields=*&where=1%3D1
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-  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/6669f013a76ea4001eec88d9/
+  name: 2022 Zoning Base Districts (Metadata)
+  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/665de1c743ff8e002825a809/
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+  name: 2021 Zoning Base Districts (CSV)
+  url: https://opendata.arcgis.com/api/v3/datasets/b0473d44b7b94bb6828aa81d853c56dc_0/downloads/data?format=csv&spatialRefId=4326&where=1%3D1
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+  name: 2021 Zoning Base Districts (SHP)
+  url: https://opendata.arcgis.com/api/v3/datasets/b0473d44b7b94bb6828aa81d853c56dc_0/downloads/data?format=shp&spatialRefId=4326&where=1%3D1
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+  name: 2021 Zoning Base Districts (GeoJSON)
+  url: https://opendata.arcgis.com/api/v3/datasets/b0473d44b7b94bb6828aa81d853c56dc_0/downloads/data?format=geojson&spatialRefId=4326&where=1%3D1
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+  format: api
+  name: 2021 Zoning Base Districts (API)
+  url: https://services.arcgis.com/fLeGjb7u4uXqeF9q/arcgis/rest/services/zoning_basedistricts_122021/FeatureServer/0/query?outFields=*&where=1%3D1
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-  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/666c8506c4265f0024b47669/
+  name: 2021 Zoning Base Districts (Metadata)
+  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/665de1753ae581002943facd/
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+  name: 2020 Zoning Base Districts (CSV)
+  url: https://opendata.arcgis.com/api/v3/datasets/0efc1de6399a45f3b1115308ae9a174e_0/downloads/data?format=csv&spatialRefId=4326&where=1%3D1
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+  name: 2020 Zoning Base Districts (SHP)
+  url: https://opendata.arcgis.com/api/v3/datasets/0efc1de6399a45f3b1115308ae9a174e_0/downloads/data?format=shp&spatialRefId=4326&where=1%3D1
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+  name: 2020 Zoning Base Districts (GeoJSON)
+  url: https://opendata.arcgis.com/api/v3/datasets/0efc1de6399a45f3b1115308ae9a174e_0/downloads/data?format=geojson&spatialRefId=4326&where=1%3D1
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+  name: 2020 Zoning Base Districts (API)
+  url: https://services.arcgis.com/fLeGjb7u4uXqeF9q/arcgis/rest/services/zoning_basedistricts_062020/FeatureServer/0/query?outFields=*&where=1%3D1
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-  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/665de0603d90550027b3271c/
+  name: 2020 Zoning Base Districts (Metadata)
+  url: https://metadata.phila.gov/index.html#home/datasetdetails/5543864920583086178c4e88/representationdetails/665de1308e256c002bfd8298/
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@@ -138,84 +138,84 @@ resources:
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+  name: 2018 Zoning Base Districts (CSV)
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+  name: 2018 Zoning Base Districts (SHP)
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+  name: 2018 Zoning Base Districts (API)
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+  name: 2018 Zoning Base Districts (Metadata)
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