--- a/pkg/imports/gm.go	Thu Jan 24 17:15:04 2019 +0100
+++ b/pkg/imports/gm.go	Thu Jan 24 17:21:14 2019 +0100
@@ -35,6 +35,12 @@
 	Insecure bool `json:"insecure"`
 }
 
+// gaugeMeasurement holds information about a gauge and the latest measurement
+type gaugeMeasurement struct {
+	Gauge           models.Isrs
+	LatestDateIssue time.Time
+}
+
 // GMJobKind is the import queue type identifier.
 const GMJobKind JobKind = "gm"
 
@@ -157,10 +163,10 @@
 	}
 	defer rows.Close()
 
-	gauges := []models.GaugeMeasurement{}
+	gauges := []gaugeMeasurement{}
 
 	for rows.Next() {
-		var g models.GaugeMeasurement
+		var g gaugeMeasurement
 		if err = rows.Scan(
 			&g.Gauge.CountryCode,
 			&g.Gauge.LoCode,
@@ -224,7 +230,7 @@
 
 func (gm *GaugeMeasurement) doForGM(
 	ctx context.Context,
-	gauges []models.GaugeMeasurement,
+	gauges []gaugeMeasurement,
 	conn *sql.Conn,
 	feedback Feedback,
 ) ([]string, error) {