diff --git a/client/src/components/J40Map.tsx b/client/src/components/J40Map.tsx
index 884fe246..c0f10ba3 100644
--- a/client/src/components/J40Map.tsx
+++ b/client/src/components/J40Map.tsx
@@ -136,6 +136,7 @@ const J40Map = ({location}: IJ40Interface) => {
   const filter = useMemo(() => ['in', constants.GEOID_PROPERTY, selectedFeatureId], [selectedFeature]);
 
   const zoomLatLngHash = mapRef.current?.getMap()._hash._getCurrentHash();
+
   /**
    * This function will return the bounding box of the current map. Comment in when needed.
    *  {
@@ -169,28 +170,28 @@ const J40Map = ({location}: IJ40Interface) => {
 
       switch (buttonID) {
         case '48':
-          goToPlace(constants.LOWER_48_BOUNDS);
+          goToPlace(constants.LOWER_48_BOUNDS, true);
           break;
         case 'AK':
-          goToPlace(constants.ALASKA_BOUNDS);
+          goToPlace(constants.ALASKA_BOUNDS, true);
           break;
         case 'HI':
-          goToPlace(constants.HAWAII_BOUNDS);
+          goToPlace(constants.HAWAII_BOUNDS, true);
           break;
         case 'PR':
-          goToPlace(constants.PUERTO_RICO_BOUNDS);
+          goToPlace(constants.PUERTO_RICO_BOUNDS, true);
           break;
         case 'GU':
-          goToPlace(constants.GUAM_BOUNDS);
+          goToPlace(constants.GUAM_BOUNDS, true);
           break;
         case 'AS':
-          goToPlace(constants.AMERICAN_SAMOA_BOUNDS);
+          goToPlace(constants.AMERICAN_SAMOA_BOUNDS, true);
           break;
         case 'MP':
-          goToPlace(constants.MARIANA_ISLAND_BOUNDS);
+          goToPlace(constants.MARIANA_ISLAND_BOUNDS, true);
           break;
         case 'VI':
-          goToPlace(constants.US_VIRGIN_ISLANDS_BOUNDS);
+          goToPlace(constants.US_VIRGIN_ISLANDS_BOUNDS, true);
           break;
 
         default:
@@ -200,10 +201,32 @@ const J40Map = ({location}: IJ40Interface) => {
       // This else clause will fire when the ID is null or empty. This is the case where the map is clicked
       // @ts-ignore
       const feature = event.features && event.features[0];
-      console.log(feature);
+
       if (feature) {
+        // Get the current selected feature's bounding box:
         const [minLng, minLat, maxLng, maxLat] = bbox(feature);
+
+        // Set the selectedFeature ID
+        if (feature.id !== selectedFeatureId) {
+          setSelectedFeature(feature);
+        } else {
+          setSelectedFeature(undefined);
+        }
+
+        // Go to the newly selected feature
+        goToPlace([
+          [minLng, minLat],
+          [maxLng, maxLat],
+        ]);
+
+
+        /**
+         * The following logic is used for the popup for the fullscreen feature
+         */
+        // Create a new viewport using the current viewport dimnesions:
         const newViewPort = new WebMercatorViewport({height: viewport.height!, width: viewport.width!});
+
+        // Fit the viewport to the new bounds and return a long, lat and zoom:
         const {longitude, latitude, zoom} = newViewPort.fitBounds(
             [
               [minLng, minLat],
@@ -213,22 +236,21 @@ const J40Map = ({location}: IJ40Interface) => {
               padding: 40,
             },
         );
-        if (feature.id !== selectedFeatureId) {
-          setSelectedFeature(feature);
-        } else {
-          setSelectedFeature(undefined);
-        }
+
+        // Save the popupInfo
         const popupInfo = {
           longitude: longitude,
           latitude: latitude,
           zoom: zoom,
           properties: feature.properties,
         };
-        goToPlace([
-          [minLng, minLat],
-          [maxLng, maxLat],
-        ]);
+
+        // Update the DetailedView state variable with the new popupInfo object:
         setDetailViewData(popupInfo);
+
+        /**
+         * End Fullscreen feature specific logic
+         */
       }
     }
   };
@@ -242,17 +264,44 @@ const J40Map = ({location}: IJ40Interface) => {
   };
 
 
-  const goToPlace = (bounds: LngLatBoundsLike ) => {
-    const {longitude, latitude, zoom} = new WebMercatorViewport({height: viewport.height!, width: viewport.width!})
-        .fitBounds(bounds as [[number, number], [number, number]], {
-          padding: 20,
-          offset: [0, -100],
-        });
+  /**
+   * This function will move the map (with easing) to the given lat/long bounds.
+   *
+   * When a user clicks on a tracts vs a territory button, the zoom level returned by the fitBounds
+   * function differ. Given that we want to handle the zoom differently depending on these two cases, we
+   * introduce a boolean, isTerritory that will allow the zoom level to be set depending on what the user
+   * is interacting with, namely a tract vs a territory button.
+   *
+   * @param {LngLatBoundsLike} bounds
+   * @param {boolean} isTerritory
+   */
+  const goToPlace = (bounds: LngLatBoundsLike, isTerritory = false ) => {
+    const newViewPort = new WebMercatorViewport({height: viewport.height!, width: viewport.width!});
+    const {longitude, latitude, zoom} = newViewPort.fitBounds(
+      bounds as [[number, number], [number, number]], {
+        // padding: 200,  // removing padding and offset in favor of a zoom offset below
+        // offset: [0, -100],
+      });
+
+    /**
+     * When some tracts are selected, they end up too far zoomed in, causing some census tracts to
+     * only show a portion of the tract in the viewport. We reduce the zoom level by 1 to allow
+     * more space around the selected tract.
+     *
+     * Given that the high zoom tiles only go to zoom level 5, if the corrected zoom level (zoom - 1) is
+     * less than MIN_ZOOM_FEATURE_BORDER, then we floor the zoom to MIN_ZOOM_FEATURE_BORDER + .1 (which
+     * is 5.1 as of this comment)
+     */
+    // eslint-disable-next-line max-len
+    const featureSelectionZoomLevel = (zoom - 1) < constants.GLOBAL_MIN_ZOOM_FEATURE_BORDER + .1 ?
+        constants.GLOBAL_MIN_ZOOM_FEATURE_BORDER :
+        zoom - 1;
+
     setViewport({
       ...viewport,
       longitude,
       latitude,
-      zoom,
+      zoom: isTerritory ? zoom : featureSelectionZoomLevel,
       transitionDuration: 1000,
       transitionInterpolator: new FlyToInterpolator(),
       transitionEasing: d3.easeCubic,
@@ -434,7 +483,26 @@ const J40Map = ({location}: IJ40Interface) => {
             />
           </Source>
 
-          {/* Enable fullscreen behind a feature flag */}
+          {/* This will add the navigation controls of the zoom in and zoom out buttons */}
+          { windowWidth > constants.USWDS_BREAKPOINTS.MOBILE_LG && <NavigationControl
+            showCompass={false}
+            className={styles.navigationControl}
+          /> }
+
+          {/* This will show shortcut buttons to pan/zoom to US territories */}
+          <TerritoryFocusControl onClick={onClick}/>
+
+          {/* This places Geolocation behind a feature flag */}
+          {'gl' in flags ? <GeolocateControl
+            className={styles.geolocateControl}
+            positionOptions={{enableHighAccuracy: true}}
+            onGeolocate={onGeolocate}
+            // @ts-ignore
+            onClick={onClickGeolocate}
+          /> : ''}
+          {geolocationInProgress ? <div>Geolocation in progress...</div> : ''}
+
+          {/* Enable fullscreen pop-up behind a feature flag */}
           {('fs' in flags && detailViewData && !transitionInProgress) && (
             <Popup
               className={styles.j40Popup}
@@ -449,26 +517,6 @@ const J40Map = ({location}: IJ40Interface) => {
               <AreaDetail properties={detailViewData.properties} hash={zoomLatLngHash}/>
             </Popup>
           )}
-
-          {/* This will add the navigation controls of the zoom in and zoom out buttons */}
-          { windowWidth > constants.USWDS_BREAKPOINTS.MOBILE_LG && <NavigationControl
-            showCompass={false}
-            className={styles.navigationControl}
-          /> }
-
-          {/* This places Geolocation behind a feature flag */}
-          {'gl' in flags ? <GeolocateControl
-            className={styles.geolocateControl}
-            positionOptions={{enableHighAccuracy: true}}
-            onGeolocate={onGeolocate}
-            // @ts-ignore
-            onClick={onClickGeolocate}
-          /> : ''}
-          {geolocationInProgress ? <div>Geolocation in progress...</div> : ''}
-
-          {/* This will show shortcut buttons to pan/zoom to US territories */}
-          <TerritoryFocusControl onClick={onClick}/>
-
           {'fs' in flags ? <FullscreenControl className={styles.fullscreenControl}/> :'' }
 
         </ReactMapGL>
diff --git a/client/src/data/constants.tsx b/client/src/data/constants.tsx
index e24fe463..09f38ba4 100644
--- a/client/src/data/constants.tsx
+++ b/client/src/data/constants.tsx
@@ -204,11 +204,14 @@ export const SCORE_PROPERTY_HIGH = 'SM_PFS';
 // Zoom
 export const GLOBAL_MIN_ZOOM = 3;
 export const GLOBAL_MAX_ZOOM = 22;
+
 export const GLOBAL_MIN_ZOOM_LOW = 3;
-export const GLOBAL_MAX_ZOOM_LOW = 7;
-export const GLOBAL_MIN_ZOOM_HIGH = 7;
+export const GLOBAL_MAX_ZOOM_LOW = 5;
+
+export const GLOBAL_MIN_ZOOM_HIGH = 5;
 export const GLOBAL_MAX_ZOOM_HIGH = 11;
-export const GLOBAL_MIN_ZOOM_FEATURE_BORDER = 7;
+
+export const GLOBAL_MIN_ZOOM_FEATURE_BORDER = 5;
 export const GLOBAL_MAX_ZOOM_FEATURE_BORDER = 22;
 
 // Opacity
diff --git a/data/data-pipeline/data_pipeline/ipython/TractArea.ipynb b/data/data-pipeline/data_pipeline/ipython/TractArea.ipynb
new file mode 100644
index 00000000..d4b678c1
--- /dev/null
+++ b/data/data-pipeline/data_pipeline/ipython/TractArea.ipynb
@@ -0,0 +1,418 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 54,
+   "id": "df048f08",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import geopandas as gpd\n",
+    "import pathlib"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 55,
+   "id": "62366f7d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "lowJson = pathlib.Path() / 'usa-low.json'\n",
+    "assert lowJson.exists()\n",
+    "highJson = pathlib.Path() / 'usa-high.json'\n",
+    "assert highJson.exists()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 50,
+   "id": "4077ed78",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "gdf = gpd.read_file(highJson)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 56,
+   "id": "d4abfc64",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "gdf['area'] = gdf.apply(lambda row : gpd.GeoSeries(row['geometry']).area, axis = 1)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5077d9ef",
+   "metadata": {},
+   "source": [
+    "Add `zlfc` = *zoom level full containment*, This field will indicate the maximum zoom level the user can go up to while still keeping the entire tract in view. Below, we sample a few tracts to get an idea of the relationship between zoom level and area"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 89,
+   "id": "a1234574",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>GEOID10</th>\n",
+       "      <th>SF</th>\n",
+       "      <th>CF</th>\n",
+       "      <th>area</th>\n",
+       "      <th>zlfc</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>9846</th>\n",
+       "      <td>02185000200</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>North Slope Borough</td>\n",
+       "      <td>53.323702</td>\n",
+       "      <td>4.45</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9937</th>\n",
+       "      <td>02290000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Yukon-Koyukuk Census Area</td>\n",
+       "      <td>21.653154</td>\n",
+       "      <td>5.50</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9857</th>\n",
+       "      <td>02188000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Northwest Arctic Borough</td>\n",
+       "      <td>21.188159</td>\n",
+       "      <td>5.50</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9935</th>\n",
+       "      <td>02290000200</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Yukon-Koyukuk Census Area</td>\n",
+       "      <td>20.744770</td>\n",
+       "      <td>5.38</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9934</th>\n",
+       "      <td>02290000300</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Yukon-Koyukuk Census Area</td>\n",
+       "      <td>17.140826</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9936</th>\n",
+       "      <td>02290000400</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Yukon-Koyukuk Census Area</td>\n",
+       "      <td>14.687448</td>\n",
+       "      <td>5.77</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9893</th>\n",
+       "      <td>02180000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Nome Census Area</td>\n",
+       "      <td>13.377817</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9847</th>\n",
+       "      <td>02164000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Lake and Peninsula Borough</td>\n",
+       "      <td>13.061644</td>\n",
+       "      <td>5.33</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9918</th>\n",
+       "      <td>02261000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Valdez-Cordova Census Area</td>\n",
+       "      <td>11.118835</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9945</th>\n",
+       "      <td>02050000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Bethel Census Area</td>\n",
+       "      <td>10.951888</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9841</th>\n",
+       "      <td>02270000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Wade Hampton Census Area</td>\n",
+       "      <td>8.771806</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9839</th>\n",
+       "      <td>02240000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Southeast Fairbanks Census Area</td>\n",
+       "      <td>8.613690</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9843</th>\n",
+       "      <td>02070000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Dillingham Census Area</td>\n",
+       "      <td>8.575307</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9947</th>\n",
+       "      <td>02050000300</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Bethel Census Area</td>\n",
+       "      <td>8.408040</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9899</th>\n",
+       "      <td>02170000101</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Matanuska-Susitna Borough</td>\n",
+       "      <td>6.480444</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9944</th>\n",
+       "      <td>02068000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Denali Borough</td>\n",
+       "      <td>5.997236</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9836</th>\n",
+       "      <td>02013000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Aleutians East Borough</td>\n",
+       "      <td>5.487726</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9921</th>\n",
+       "      <td>02122000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Kenai Peninsula Borough</td>\n",
+       "      <td>4.831831</td>\n",
+       "      <td>6.10</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9851</th>\n",
+       "      <td>02150000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Kodiak Island Borough</td>\n",
+       "      <td>4.664009</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9850</th>\n",
+       "      <td>02105000300</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Hoonah-Angoon Census Area</td>\n",
+       "      <td>4.305716</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9838</th>\n",
+       "      <td>02016000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Aleutians West Census Area</td>\n",
+       "      <td>4.053520</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9917</th>\n",
+       "      <td>02282000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Yakutat City and Borough</td>\n",
+       "      <td>3.926182</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9920</th>\n",
+       "      <td>02261000300</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Valdez-Cordova Census Area</td>\n",
+       "      <td>3.285482</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9840</th>\n",
+       "      <td>02240000400</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Southeast Fairbanks Census Area</td>\n",
+       "      <td>3.233961</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9919</th>\n",
+       "      <td>02261000200</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Valdez-Cordova Census Area</td>\n",
+       "      <td>3.156317</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10354</th>\n",
+       "      <td>41045970900</td>\n",
+       "      <td>Oregon</td>\n",
+       "      <td>Malheur County</td>\n",
+       "      <td>2.731719</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9888</th>\n",
+       "      <td>02198000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Prince of Wales-Hyder Census Area</td>\n",
+       "      <td>2.606286</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10212</th>\n",
+       "      <td>41025960200</td>\n",
+       "      <td>Oregon</td>\n",
+       "      <td>Harney County</td>\n",
+       "      <td>2.568943</td>\n",
+       "      <td>7.08</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9844</th>\n",
+       "      <td>02185000300</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>North Slope Borough</td>\n",
+       "      <td>2.463165</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9858</th>\n",
+       "      <td>02130000100</td>\n",
+       "      <td>Alaska</td>\n",
+       "      <td>Ketchikan Gateway Borough</td>\n",
+       "      <td>2.440051</td>\n",
+       "      <td>0.00</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "           GEOID10      SF                                 CF       area  zlfc\n",
+       "9846   02185000200  Alaska                North Slope Borough  53.323702  4.45\n",
+       "9937   02290000100  Alaska          Yukon-Koyukuk Census Area  21.653154  5.50\n",
+       "9857   02188000100  Alaska           Northwest Arctic Borough  21.188159  5.50\n",
+       "9935   02290000200  Alaska          Yukon-Koyukuk Census Area  20.744770  5.38\n",
+       "9934   02290000300  Alaska          Yukon-Koyukuk Census Area  17.140826  0.00\n",
+       "9936   02290000400  Alaska          Yukon-Koyukuk Census Area  14.687448  5.77\n",
+       "9893   02180000100  Alaska                   Nome Census Area  13.377817  0.00\n",
+       "9847   02164000100  Alaska         Lake and Peninsula Borough  13.061644  5.33\n",
+       "9918   02261000100  Alaska         Valdez-Cordova Census Area  11.118835  0.00\n",
+       "9945   02050000100  Alaska                 Bethel Census Area  10.951888  0.00\n",
+       "9841   02270000100  Alaska           Wade Hampton Census Area   8.771806  0.00\n",
+       "9839   02240000100  Alaska    Southeast Fairbanks Census Area   8.613690  0.00\n",
+       "9843   02070000100  Alaska             Dillingham Census Area   8.575307  0.00\n",
+       "9947   02050000300  Alaska                 Bethel Census Area   8.408040  0.00\n",
+       "9899   02170000101  Alaska          Matanuska-Susitna Borough   6.480444  0.00\n",
+       "9944   02068000100  Alaska                     Denali Borough   5.997236  0.00\n",
+       "9836   02013000100  Alaska             Aleutians East Borough   5.487726  0.00\n",
+       "9921   02122000100  Alaska            Kenai Peninsula Borough   4.831831  6.10\n",
+       "9851   02150000100  Alaska              Kodiak Island Borough   4.664009  0.00\n",
+       "9850   02105000300  Alaska          Hoonah-Angoon Census Area   4.305716  0.00\n",
+       "9838   02016000100  Alaska         Aleutians West Census Area   4.053520  0.00\n",
+       "9917   02282000100  Alaska           Yakutat City and Borough   3.926182  0.00\n",
+       "9920   02261000300  Alaska         Valdez-Cordova Census Area   3.285482  0.00\n",
+       "9840   02240000400  Alaska    Southeast Fairbanks Census Area   3.233961  0.00\n",
+       "9919   02261000200  Alaska         Valdez-Cordova Census Area   3.156317  0.00\n",
+       "10354  41045970900  Oregon                     Malheur County   2.731719  0.00\n",
+       "9888   02198000100  Alaska  Prince of Wales-Hyder Census Area   2.606286  0.00\n",
+       "10212  41025960200  Oregon                      Harney County   2.568943  7.08\n",
+       "9844   02185000300  Alaska                North Slope Borough   2.463165  0.00\n",
+       "9858   02130000100  Alaska          Ketchikan Gateway Borough   2.440051  0.00"
+      ]
+     },
+     "execution_count": 89,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "gdf['zlfc'] = 0\n",
+    "gdf.at[9846, 'zlfc'] = 4.45\n",
+    "gdf.at[10212, 'zlfc'] = 7.08\n",
+    "gdf.at[9937, 'zlfc'] = 5.5\n",
+    "gdf.at[9857, 'zlfc'] = 5.5\n",
+    "gdf.at[9935, 'zlfc'] = 5.38\n",
+    "gdf.at[9936, 'zlfc'] = 5.77\n",
+    "gdf.at[9921, 'zlfc'] = 6.1\n",
+    "gdf.at[9847, 'zlfc'] = 5.33\n",
+    "gdf_short = gdf[[\"GEOID10\", \"SF\", \"CF\", \"area\", \"zlfc\"]]\n",
+    "gdf_short_sorted = gdf_short.sort_values(by='area', ascending=False);\n",
+    "gdf_short_sorted.head(30)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5930de0e",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.13"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}