diff --git a/app/src/Start.tsx b/app/src/Start.tsx
index 6772add..599df2a 100644
--- a/app/src/Start.tsx
+++ b/app/src/Start.tsx
@@ -101,6 +101,7 @@ const EXAMPLE_FILES = [
   "https://protomaps.github.io/PMTiles/protomaps(vector)ODbL_firenze.pmtiles",
   "https://protomaps.github.io/PMTiles/stamen_toner(raster)CC-BY+ODbL_z3.pmtiles",
   "https://r2-public.protomaps.com/protomaps-sample-datasets/cb_2018_us_zcta510_500k.pmtiles",
+  "https://protomaps.github.io/PMTiles/usgs-mt-whitney-8-15-webp-512.pmtiles"
 ];
 
 function Start(props: {
diff --git a/spec/v3/usgs-mt-whitney-8-15-webp-512.pmtiles b/spec/v3/usgs-mt-whitney-8-15-webp-512.pmtiles
new file mode 100644
index 0000000..d75c574
Binary files /dev/null and b/spec/v3/usgs-mt-whitney-8-15-webp-512.pmtiles differ