diff --git a/catalog/iclus_hc/collection.json b/catalog/iclus_hc/collection.json
index 721bd8e156788453c70f6c7e30838439d6d01f55..20a6c218ffdf15264074e75ab3588e194229b64f 100644
--- a/catalog/iclus_hc/collection.json
+++ b/catalog/iclus_hc/collection.json
@@ -28,7 +28,7 @@
         2258235.90913645
       ],
       "step": 100.0,
-      "reference_system": "{\"$schema\":\"https://proj.org/schemas/v0.5/projjson.schema.json\",\"type\":\"Conversion\",\"name\":\"PROJ-based coordinate operation\",\"method\":{\"name\":\"PROJ-based operation method: +proj=aea +lat_0=23 +lon_0=-96 +lat_1=29.5 +lat_2=45.5 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs\"},\"parameters\":[]}"
+      "reference_system": "{\"$schema\":\"https://proj.org/schemas/v0.6/projjson.schema.json\",\"type\":\"ProjectedCRS\",\"name\":\"undefined\",\"base_crs\":{\"name\":\"undefined\",\"datum\":{\"type\":\"GeodeticReferenceFrame\",\"name\":\"undefined\",\"ellipsoid\":{\"name\":\"undefined\",\"semi_major_axis\":6378137,\"inverse_flattening\":298.257222101},\"prime_meridian\":{\"name\":\"undefined\",\"longitude\":0}},\"coordinate_system\":{\"subtype\":\"ellipsoidal\",\"axis\":[{\"name\":\"Longitude\",\"abbreviation\":\"lon\",\"direction\":\"east\",\"unit\":\"degree\"},{\"name\":\"Latitude\",\"abbreviation\":\"lat\",\"direction\":\"north\",\"unit\":\"degree\"}]}},\"conversion\":{\"name\":\"unknown\",\"method\":{\"name\":\"Albers Equal Area\",\"id\":{\"authority\":\"EPSG\",\"code\":9822}},\"parameters\":[{\"name\":\"Latitude of false origin\",\"value\":23,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8821}},{\"name\":\"Longitude of false origin\",\"value\":-95.9999999999999,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8822}},{\"name\":\"Latitude of 1st standard parallel\",\"value\":29.5,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8823}},{\"name\":\"Latitude of 2nd standard parallel\",\"value\":45.5,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8824}},{\"name\":\"Easting at false origin\",\"value\":0,\"unit\":{\"type\":\"LinearUnit\",\"name\":\"Metre\",\"conversion_factor\":1},\"id\":{\"authority\":\"EPSG\",\"code\":8826}},{\"name\":\"Northing at false origin\",\"value\":0,\"unit\":{\"type\":\"LinearUnit\",\"name\":\"Metre\",\"conversion_factor\":1},\"id\":{\"authority\":\"EPSG\",\"code\":8827}}]},\"coordinate_system\":{\"subtype\":\"Cartesian\",\"axis\":[{\"name\":\"Easting\",\"abbreviation\":\"E\",\"direction\":\"east\",\"unit\":\"metre\"},{\"name\":\"Northing\",\"abbreviation\":\"N\",\"direction\":\"north\",\"unit\":\"metre\"}]}}"
     },
     "y": {
       "type": "spatial",
@@ -39,7 +39,7 @@
         3172445.2073140107
       ],
       "step": -100.0,
-      "reference_system": "{\"$schema\":\"https://proj.org/schemas/v0.5/projjson.schema.json\",\"type\":\"Conversion\",\"name\":\"PROJ-based coordinate operation\",\"method\":{\"name\":\"PROJ-based operation method: +proj=aea +lat_0=23 +lon_0=-96 +lat_1=29.5 +lat_2=45.5 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs\"},\"parameters\":[]}"
+      "reference_system": "{\"$schema\":\"https://proj.org/schemas/v0.6/projjson.schema.json\",\"type\":\"ProjectedCRS\",\"name\":\"undefined\",\"base_crs\":{\"name\":\"undefined\",\"datum\":{\"type\":\"GeodeticReferenceFrame\",\"name\":\"undefined\",\"ellipsoid\":{\"name\":\"undefined\",\"semi_major_axis\":6378137,\"inverse_flattening\":298.257222101},\"prime_meridian\":{\"name\":\"undefined\",\"longitude\":0}},\"coordinate_system\":{\"subtype\":\"ellipsoidal\",\"axis\":[{\"name\":\"Longitude\",\"abbreviation\":\"lon\",\"direction\":\"east\",\"unit\":\"degree\"},{\"name\":\"Latitude\",\"abbreviation\":\"lat\",\"direction\":\"north\",\"unit\":\"degree\"}]}},\"conversion\":{\"name\":\"unknown\",\"method\":{\"name\":\"Albers Equal Area\",\"id\":{\"authority\":\"EPSG\",\"code\":9822}},\"parameters\":[{\"name\":\"Latitude of false origin\",\"value\":23,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8821}},{\"name\":\"Longitude of false origin\",\"value\":-95.9999999999999,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8822}},{\"name\":\"Latitude of 1st standard parallel\",\"value\":29.5,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8823}},{\"name\":\"Latitude of 2nd standard parallel\",\"value\":45.5,\"unit\":\"degree\",\"id\":{\"authority\":\"EPSG\",\"code\":8824}},{\"name\":\"Easting at false origin\",\"value\":0,\"unit\":{\"type\":\"LinearUnit\",\"name\":\"Metre\",\"conversion_factor\":1},\"id\":{\"authority\":\"EPSG\",\"code\":8826}},{\"name\":\"Northing at false origin\",\"value\":0,\"unit\":{\"type\":\"LinearUnit\",\"name\":\"Metre\",\"conversion_factor\":1},\"id\":{\"authority\":\"EPSG\",\"code\":8827}}]},\"coordinate_system\":{\"subtype\":\"Cartesian\",\"axis\":[{\"name\":\"Easting\",\"abbreviation\":\"E\",\"direction\":\"east\",\"unit\":\"metre\"},{\"name\":\"Northing\",\"abbreviation\":\"N\",\"direction\":\"north\",\"unit\":\"metre\"}]}}"
     }
   },
   "cube:variables": {
diff --git a/workflows/archive/iclus_hc_create_collection_from_zarr.ipynb b/workflows/archive/iclus_hc_create_collection_from_zarr.ipynb
index 47b207f236e93f3072b0c125f9e6c221359ebb1e..893156005dc72e245d64102e098d347f4315df67 100644
--- a/workflows/archive/iclus_hc_create_collection_from_zarr.ipynb
+++ b/workflows/archive/iclus_hc_create_collection_from_zarr.ipynb
@@ -35,7 +35,6 @@
     "import pandas as pd\n",
     "import json\n",
     "import numpy as np\n",
-    "import metpy\n",
     "import cartopy.crs as ccrs\n",
     "import cfunits\n",
     "import json\n",
@@ -45,7 +44,8 @@
     "import stac_helpers\n",
     "import dask\n",
     "import dask.array as da\n",
-    "from dask.distributed import Client, LocalCluster"
+    "from dask.distributed import Client, LocalCluster\n",
+    "import pyproj"
    ]
   },
   {
@@ -227,9 +227,13 @@
    },
    "outputs": [],
    "source": [
-    "ds  = ds.metpy.parse_cf()\n",
-    "crs = ds[list(ds.keys())[0]].metpy.pyproj_proj\n",
-    "#cartopycrs = ds[list(ds.keys())[0]].metpy.cartopy_crs"
+    "# use pyproj to automatically extract crs info\n",
+    "crs = pyproj.CRS.from_cf(ds.crs.attrs)\n",
+    "\n",
+    "# alternatively, create the appropriate cartopy projection\n",
+    "# crs = ccrs.LambertConformal(central_longitude=crs_info.longitude_of_central_meridian, \n",
+    "#                             central_latitude=crs_info.latitude_of_projection_origin,\n",
+    "#                             standard_parallels=crs_info.standard_parallel)"
    ]
   },
   {
@@ -342,7 +346,7 @@
    },
    "outputs": [],
    "source": [
-    "transformer = Transformer.from_crs(crs.crs, \"EPSG:4326\", always_xy=True)"
+    "transformer = Transformer.from_crs(crs, \"EPSG:4326\", always_xy=True)"
    ]
   },
   {
@@ -377,7 +381,7 @@
     "    min_lat = lat.min()\n",
     "    max_lon = lon.max()\n",
     "    max_lat = lat.max()\n",
-    "    return min_lon, min_lat, max_lon, max_la"
+    "    return min_lon, min_lat, max_lon, max_lat"
    ]
   },
   {
@@ -395,10 +399,10 @@
     "# min_lat = result[1]\n",
     "# max_lon = result[2]\n",
     "# max_lat = result[3]\n",
-    "min_lon = -127.88612576329054\n",
-    "min_lat = 22.872641668268155\n",
-    "max_lon = -65.34617124487134\n",
-    "max_lat = 51.60365306185643"
+    "# min_lon = -127.88612576329054\n",
+    "# min_lat = 22.872641668268155\n",
+    "# max_lon = -65.34617124487134\n",
+    "# max_lat = 51.60365306185643"
    ]
   },
   {
@@ -973,9 +977,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "global-global-pangeo",
+   "display_name": "geo",
    "language": "python",
-   "name": "conda-env-global-global-pangeo-py"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -987,7 +991,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.6"
+   "version": "3.10.0"
   }
  },
  "nbformat": 4,