diff --git a/frontend/src/components/CrossSearch/CrossSearchTable.tsx b/frontend/src/components/CrossSearch/CrossSearchTable.tsx
index 457579c6..a3cf690c 100755
--- a/frontend/src/components/CrossSearch/CrossSearchTable.tsx
+++ b/frontend/src/components/CrossSearch/CrossSearchTable.tsx
@@ -444,6 +444,84 @@ export const CrossSearchTable = ({ selectorFn }: { selectorFn?: (newObject: Cros
         size: 20,
         filterFn: 'contains',
       },
+      {
+        accessorKey: 'dc13_mean',
+        header: 'dC13 Mean',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'dc13_n',
+        header: 'dC13 n',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+      },
+      {
+        accessorKey: 'dc13_max',
+        header: 'dC13 Max',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'dc13_min',
+        header: 'dC13 Min',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'dc13_stdev',
+        header: 'dC13 STDEV',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'do18_mean',
+        header: 'dO18 Mean',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'do18_n',
+        header: 'dO18 n',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+      },
+      {
+        accessorKey: 'do18_max',
+        header: 'dO18 Max',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'do18_min',
+        header: 'dO18 Min',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
+      {
+        accessorKey: 'do18_stdev',
+        header: 'dO18 STDEV',
+        size: 20,
+        filterVariant: 'range',
+        enableColumnFilterModes: false,
+        Cell: ({ cell }) => formatWithMaxThreeDecimals(cell.getValue() as number),
+      },
       {
         id: 'microwear_now_ls',
         accessorFn: row => row.microwear_now_ls || '',
@@ -784,6 +862,16 @@ export const CrossSearchTable = ({ selectorFn }: { selectorFn?: (newObject: Cros
     orig_entry: false,
     source_name: false,
     id_status: false,
+    dc13_mean: false,
+    dc13_n: false,
+    dc13_max: false,
+    dc13_min: false,
+    dc13_stdev: false,
+    do18_mean: false,
+    do18_n: false,
+    do18_max: false,
+    do18_min: false,
+    do18_stdev: false,
     microwear_now_ls: false,
     mesowear_now_ls: false,
     mw_or_high_now_ls: false,
@@ -914,6 +1002,22 @@ export const CrossSearchTable = ({ selectorFn }: { selectorFn?: (newObject: Cros
         ],
       },
       { id: 'occurrence', label: 'Occurrence', columnIds: ['orig_entry', 'source_name', 'id_status'] },
+      {
+        id: 'isotopes',
+        label: 'Isotopes',
+        columnIds: [
+          'dc13_mean',
+          'dc13_n',
+          'dc13_max',
+          'dc13_min',
+          'dc13_stdev',
+          'do18_mean',
+          'do18_n',
+          'do18_max',
+          'do18_min',
+          'do18_stdev',
+        ],
+      },
       { id: 'diet', label: 'Diet', columnIds: ['diet1', 'diet2', 'diet3'] },
       { id: 'locomotion', label: 'Locomotion', columnIds: ['locomo1', 'locomo2', 'locomo3'] },
       { id: 'size', label: 'Size', columnIds: ['sv_length', 'body_mass_com_species', 'sd_size', 'sd_display'] },
diff --git a/frontend/src/shared/types/data.ts b/frontend/src/shared/types/data.ts
index eaea1257..a502db53 100755
--- a/frontend/src/shared/types/data.ts
+++ b/frontend/src/shared/types/data.ts
@@ -297,16 +297,16 @@ export type CrossSearch = {
   // mw_scale_max_now_ls: number | null;
   // mw_value_now_ls: number | null;
   microwear_now_ls: string | null
-  // dc13_mean: number | null;
-  // dc13_n: number | null;
-  // dc13_max: number | null;
-  // dc13_min: number | null;
-  // dc13_stdev: number | null;
-  // do18_mean: number | null;
-  // do18_n: number | null;
-  // do18_max: number | null;
-  // do18_min: number | null;
-  // do18_stdev: number | null;
+  dc13_mean: number | null
+  dc13_n: number | null
+  dc13_max: number | null
+  dc13_min: number | null
+  dc13_stdev: number | null
+  do18_mean: number | null
+  do18_n: number | null
+  do18_max: number | null
+  do18_min: number | null
+  do18_stdev: number | null
 
   // now_loc fields
   lid_now_loc: number