diff --git a/inst/extdata/GenePop.gen b/inst/extdata/GenePop.gen
new file mode 100644
index 0000000..9e1874b
--- /dev/null
+++ b/inst/extdata/GenePop.gen
@@ -0,0 +1,12 @@
+Example GenePop Data
+Loc1
+Loc2
+Loc3
+Pop
+Ind1, 0101 0202 0303
+Ind2, 0102 0201 0303
+Ind3, 0101 0202 0303
+Pop
+Ind4, 0101 0202 0303
+Ind5, 0102 0201 0303
+Ind6, 0101 0202 0303
diff --git a/inst/extdata/GenePop.txt b/inst/extdata/GenePop.txt
new file mode 100644
index 0000000..9e1874b
--- /dev/null
+++ b/inst/extdata/GenePop.txt
@@ -0,0 +1,12 @@
+Example GenePop Data
+Loc1
+Loc2
+Loc3
+Pop
+Ind1, 0101 0202 0303
+Ind2, 0102 0201 0303
+Ind3, 0101 0202 0303
+Pop
+Ind4, 0101 0202 0303
+Ind5, 0102 0201 0303
+Ind6, 0101 0202 0303