diff --git a/inst/topics/California_Coast_Range_Geology.R b/inst/topics/California_Coast_Range_Geology.R
new file mode 100644
index 0000000..b7f6f32
--- /dev/null
+++ b/inst/topics/California_Coast_Range_Geology.R
@@ -0,0 +1,28 @@
+c("serpentinite",
+  "metabasalt",
+  "franciscan",
+  "melange",
+  "metasandstone",
+  "metaschist",
+  "metachert",
+  "alluvium",
+  "landslide",
+  "folding",
+  "faulting",
+  "anticline",
+  "syncline",
+  "shale",
+  "geomorphology",
+  "subduction",
+  "great valley group",
+  "siliciclastic",
+  "ophiolite",
+  "coast ranges",
+  "quaternary deposits",
+  "high-grade metamorphism",
+  "graywacke",
+  "Miocene",
+  "stream terraces",
+  "poison oak",
+  "ticks"
+)