diff --git a/pkg/database/corpus.go b/pkg/database/corpus.go
new file mode 100644
index 0000000..c5cc477
--- /dev/null
+++ b/pkg/database/corpus.go
@@ -0,0 +1,11 @@
+package database
+
+type CorpusEntry struct {
+	CRS       string `json:"3ALPHA"`
+	NLC       string `json:"NLC"`
+	NLCDESC   string `json:"NLCDESC"`
+	NLCDESC16 string `json:"NLCDESC16"`
+	STANOX    string `json:"STANOX"`
+	TIPLOC    string `json:"TIPLOC"`
+	UIC       string `json:"UIC"`
+}