diff --git a/README.md b/README.md
index 2753fb4..7937b95 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,11 @@ Note that, unlike in **geocsv**, *THERE IS NO DEFAULT PIN*, as there is no serve
 1. There is no `category` column, or
 2. If the `category` column is empty
 
+## Other formats
+
+`geocsv-lite` now experimentally displays GPX and KML formated XML, by using [leaflet-omnivore](https://github.com/mapbox/leaflet-omnivore). While `leaflet-omnivore` also parses CSV, it doesn't
+handle the CSV as richly as GeoCSV does natively, so we don't use Omnivore to parse CSV.
+
 ## Setup
 
 To get an interactive development environment run:
diff --git a/project.clj b/project.clj
index 2b4b675..61eb9d0 100644
--- a/project.clj
+++ b/project.clj
@@ -16,7 +16,8 @@
             [lein-npm "0.6.2"]]
 
   :npm {:dependencies [[papaparse "5.1.0"]
-                       [leaflet "1.6.0"]]
+                       [leaflet "1.6.0"]
+                       [leaflet-omnivore "0.3.4"]]
         :root "resources/public/vendor"}
 
   :source-paths ["src"]
@@ -56,7 +57,7 @@
                            :pretty-print true
                            :warnings true}}]}
 
-  :figwheel {:http-server-root "../"
+  :figwheel {;; :http-server-root "../"
              ;; :server-port 3449 ;; default
              ;; :server-ip "127.0.0.1"
 
diff --git a/resources/public/index.html b/resources/public/index.html
index 5119821..3529637 100644
--- a/resources/public/index.html
+++ b/resources/public/index.html
@@ -101,6 +101,15 @@ crossorigin=""/ -->
       </p>
       <div id="url-map"
            style="height: 600px; width: 80%; border: thin solid gray;"></div>
+      <h2>
+        Map using KML from URL
+      </h2>
+      <p>
+        This is more limited than I would like, because of cross-site scripting
+        blocks; the URL <b>must</b> be sourced from the same host as the page.
+      </p>
+      <div id="kml-map"
+           style="height: 600px; width: 80%; border: thin solid gray;"></div>
       <div id="doc">
         <p>
           Use this page as a crib for how to use <b>GeoCSV Lite</b> in your projects. In order
@@ -193,6 +202,7 @@ integrity="sha512-gZwIG9x3wUXg2hdXF6+rVkLF/0Vi9U8D2Ntg4Ga5I5BZpVkVxlJWbSQtXPSiUT
 crossorigin=""></script -->
   <!-- script src="https://cdnjs.cloudflare.com/ajax/libs/PapaParse/5.1.0/papaparse.min.js"></script -->
   <script src="vendor/node_modules/leaflet/dist/leaflet.js"></script>
+  <script src="vendor/node_modules/leaflet-omnivore/leaflet-omnivore.min.js"></script>
   <script src="vendor/node_modules/papaparse/papaparse.min.js"></script>
   <script src="js/compiled/geocsv_lite.js" type="text/javascript"></script>
   <script>
@@ -267,9 +277,12 @@ crossorigin=""></script -->
         url = url.substring(0, window.location.href.length - "index.html".length);
     }
 
-    url =  url + "data/europe-capitals.csv";
+    var csv_url =  url + "data/europe-capitals.csv";
 
-    geocsv_lite.core.initialise_map_element("url-map", url);
+    geocsv_lite.core.initialise_map_element("url-map", csv_url);
+
+    /* Map using KML from URL */
+    geocsv_lite.core.initialise_map_element("kml-map", url + "data/wild-lands/doc.kml");
   </script>
   </body>
 </html>
diff --git a/resources/public/vendor/package-lock.json b/resources/public/vendor/package-lock.json
index a767c79..63d89cf 100644
--- a/resources/public/vendor/package-lock.json
+++ b/resources/public/vendor/package-lock.json
@@ -4,15 +4,663 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "acorn": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+      "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg=="
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "optional": true
+    },
+    "brfs": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/brfs/-/brfs-1.4.3.tgz",
+      "integrity": "sha1-22ddb16SPm3wh/ylhZyQkKrtMhY=",
+      "requires": {
+        "quote-stream": "^1.0.1",
+        "resolve": "^1.1.5",
+        "static-module": "^1.1.0",
+        "through2": "^2.0.0"
+      }
+    },
+    "buffer-equal": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal/-/buffer-equal-0.0.1.tgz",
+      "integrity": "sha1-kbx0sR6kBbyRa8aqkI+q+ltKrEs="
+    },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
+    },
+    "concat-stream": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "requires": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
+      }
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+    "core-util-is": {
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+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+    },
+    "corslite": {
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+      "integrity": "sha1-jkUdtTIKdVbeHveNm9NWY0MHdyE="
+    },
+    "csv2geojson": {
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+      "integrity": "sha1-q9ZJ8uxXaJIZrU8Z0zO+dUVrb1k=",
+      "requires": {
+        "concat-stream": "~1.5.1",
+        "d3-dsv": "1.0.1",
+        "optimist": "~0.6.1",
+        "sexagesimal": "0.5.0"
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+          "integrity": "sha1-cIl4Yk2FavQaWnQd790mHadSwmY=",
+          "requires": {
+            "inherits": "~2.0.1",
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+          }
+        },
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+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        }
+      }
+    },
+    "d3": {
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+      "integrity": "sha1-vEZ0gAQ3iyGjYMn8fPUjF5B2L7g="
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+      "resolved": "https://registry.npmjs.org/topojson/-/topojson-1.6.26.tgz",
+      "integrity": "sha1-Nl+IpeGFirBkhy2bloSW+pI4V60=",
+      "requires": {
+        "d3": "3",
+        "d3-geo-projection": "0.2",
+        "d3-queue": "2",
+        "optimist": "0.3",
+        "rw": "1",
+        "shapefile": "0.3"
+      },
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+          "version": "0.3.7",
+          "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.3.7.tgz",
+          "integrity": "sha1-yQlBrVnkJzMokjB00s8ufLxuwNk=",
+          "requires": {
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+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
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+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
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+      "resolved": "https://registry.npmjs.org/wellknown/-/wellknown-0.4.2.tgz",
+      "integrity": "sha1-n037xvV5NOCRD35rP0PDkRYtp/M=",
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+      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+    },
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+      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.31.tgz",
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+    },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
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diff --git a/src/geocsv_lite/data.cljs b/src/geocsv_lite/data.cljs
index 39e473e..3e6bd2e 100644
--- a/src/geocsv_lite/data.cljs
+++ b/src/geocsv_lite/data.cljs
@@ -9,7 +9,6 @@
             [geocsv-lite.notify :as n]))
 
 
-
 (defn get-query-part-as-map
   "Returns the query part of the current document URL as a keyword-string map."
   ;; not actually used in the current incarnation
@@ -87,11 +86,93 @@
         (default-handler response k))))
 
 
-(defn get-data
-  "Get data for the view identified by this keyword `k` from this `data-source`.
-  The data source may be a URL, or a CSV or JSON formatted string."
+(defn identify-url-format
+  "Assuming `data` is a url, infer its probable data type from the file
+  extension if any; if no obvious file extension, return null"
+  [data]
+  (let [extn (re-find #"\.[A-Za-z0-9]{3,4}$" data)]
+    (if extn {:type :url
+              :format (keyword (subs (cs/lower-case extn) 1))})))
+
+;; (identify-url-format "data/europe-capitals.csv")
+;; (identify-url-format "data/wild-lands/doc.kml")
+
+(defn kml?
+  "Return non-nil if this `data` appears to be XML text with a namespace
+  appropriate to KML 2.2."
+  [data]
+  (re-find #" +xmlns=[\"\']http://www.opengis.net/kml/2.2[\"\']" data))
+
+;; (kml? "<?xml version=\"1.0\" ?><kml xmlns=\"http://www.opengis.net/kml/2.2\">
+;; <Document><Folder><name>WILDLAND_SCOTLAND</name>")
+
+(defn gpx?
+  "Return non-nil if this `data` appears to be XML text with a namespace
+  appropriate to GPX 1.1."
+  [data]
+  (re-find #" +xmlns=[\"\']http://www.topografix.com/GPX/1/1[\"\']" data))
+
+;; (gpx? "<gpx xmlns=\"http://www.topografix.com/GPX/1/1\"
+;;       xmlns:gpxx=\"http://www.garmin.com/xmlschemas/GpxExtensions/v3\"
+;;       xmlns:gpxtpx=\"http://www.garmin.com/xmlschemas/TrackPointExtension/v1\"
+;;       creator=\"Oregon 400t\" version=\"1.1\"
+;;       xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
+;;       xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd\">
+;;   <metadata>
+;;     <link href=\"http://www.garmin.com\">
+;;       <text>Garmin International</text>
+;;     </link>
+;;     <time>2009-10-17T22:58:43Z</time>
+;;   </metadata>
+;;   <trk>
+;;     <name>Example GPX Document</name>
+;;     <trkseg>
+;;       <trkpt lat=\"47.644548\" lon=\"-122.326897\">
+;;         <ele>4.46</ele>
+;;         <time>2009-10-17T18:37:26Z</time>
+;;       </trkpt>
+;;       <trkpt lat=\"47.644548\" lon=\"-122.326897\">
+;;         <ele>4.94</ele>
+;;         <time>2009-10-17T18:37:31Z</time>
+;;       </trkpt>
+;;       <trkpt lat=\"47.644548\" lon=\"-122.326897\">
+;;         <ele>6.87</ele>
+;;         <time>2009-10-17T18:37:34Z</time>
+;;       </trkpt>
+;;     </trkseg>
+;;   </trk>
+;; </gpx>")
+
+(defn identify-data-format
+  "Assuming that `data` is inline data, not a URL, try to infer its format;
+  default to `:csv`."
+  [data]
+  {:type :inline
+   :format
+   (case (first (cs/triml data))
+     ("{" "[") :json
+     "<" (cond
+           (kml? data) :kml
+           (gpx? data) :gpx
+           :else
+           :xml)
+     :csv)})
+
+;; (identify-data-format "<?xml version=\"1.0\" ?><kml xmlns=\"http://www.opengis.net/kml/2.2\">
+;;  <Document><Folder><name>WILDLAND_SCOTLAND</name>")
+
+(defn identify-format
+  [data]
+  (or (identify-url-format data) (identify-data-format data)))
+
+(identify-format "<?xml version=\"1.0\" ?><kml xmlns=\"http://www.opengis.net/kml/2.2\">
+  <Document><Folder><name>WILDLAND_SCOTLAND</name>")
+(identify-format "data/europe-capitals.csv")
+
+(defn show-data-from-csv
+  "Show data from this `data-source`, assumed to be either a CSV URL or else inline
+  CSV text, on the map identified by `k`."
   [k data-source]
-  (js/console.debug (str "get-data: k = `" k "`; data-source = `" data-source "`"))
   (let [p (js->clj (.parse js/Papa data-source)  :keywordize-keys true)
         data (if
                (empty? (:errors p))
@@ -114,6 +195,36 @@
       :else
       (get-data-from-uri k data-source))))
 
+(defn show-data-with-omnivore
+  "Show data from this `data-source`, having the inferred format `f`, in the
+  map view identified by `k`."
+  [f k data-source]
+  (let [view (get-view k)]
+    (if-not
+      (case (:format f)
+        :gpx (case (:type f)
+               :url (.addTo (.gpx js/omnivore data-source) view))
+        :kml (case (:type f)
+               :url (.addTo (.kml js/omnivore data-source) view))
+        :json ;; assuming geojson here, which is dodgy.
+        (case (:type f)
+          :url (.addTo (.kml js/omnivore data-source) view)))
+      (n/error (str "Cannot yet handle " f)))))
+
+(defn get-data
+  "Get data for the view identified by this keyword `k` from this `data-source`.
+  The data source may be a URL, or a CSV or JSON formatted string."
+  [k data-source]
+  (let [f (identify-format data-source)]
+    (js/console.debug (str "get-data: k = `" k
+                           "`; data-source = `" data-source
+                           "`; handled as `" f "`"))
+    (case
+      (:format f)
+      :csv (show-data-from-csv k data-source)
+      (:kml :gpx :json) (show-data-with-omnivore f k data-source)
+      ;; default
+      (n/error (str "Not able to display " f)))))
 
 (defn get-data-with-uri-and-handler
   [uri handler-fn k]