--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/DistanceOnlyPartHistoricalSelect.java	Fri Jul 27 10:19:38 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/DistanceOnlyPartHistoricalSelect.java	Fri Jul 27 10:25:09 2018 +0200
@@ -14,7 +14,6 @@
 import java.util.Map;
 import java.util.TreeMap;
 
-import org.apache.log4j.Logger;
 import org.dive4elements.artifacts.Artifact;
 import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;
@@ -30,14 +29,13 @@
 public class DistanceOnlyPartHistoricalSelect extends DistanceOnlySelect {
 
     private static final long serialVersionUID = 1L;
-    private static Logger log = Logger.getLogger(DistanceOnlyPartHistoricalSelect.class);
 
-    List<BedHeight> bhs = null;
-    Integer epoch = null;
-    Integer year = null;
-    Double lowerKm = null;
-    Double upperKm = null;
-    River river = null;
+    private List<BedHeight> bhs = null;
+    private Integer epoch = null;
+    private Integer year = null;
+    private Double lowerKm = null;
+    private Double upperKm = null;
+    private River river = null;
 
     @Override
     protected String getUIProvider() {
@@ -56,7 +54,7 @@
 
         try {
             if (datakey.equals(name)) {
-                makeDataSourceYearEpoch(artifact, creator, select, context, getBedheights(artifact)); // ist nur n test
+                makeDataSourceYearEpoch(creator, select, context, getBedheights(artifact)); // ist nur n test
             } else if (name.equals("ld_from_part")) {
 
                 final SalixLineAccess access = new SalixLineAccess((UINFOArtifact) artifact);
@@ -89,7 +87,7 @@
         }
         catch (
 
-        final IllegalArgumentException iae) {
+                final IllegalArgumentException iae) {
             iae.printStackTrace();
         }
     }
@@ -118,7 +116,7 @@
 
     }
 
-    private static final void makeDataSourceYearEpoch(final Artifact artifact, final ElementCreator creator, final Element select, final CallContext context,
+    private static final void makeDataSourceYearEpoch(final ElementCreator creator, final Element select, final CallContext context,
             final List<BedHeight> bedheights) {
 
         final AddTableDataHelper helper = new AddTableDataHelper(creator, select, "year", context.getMeta());
@@ -184,5 +182,4 @@
         }
         return new double[] { min, max };
     }
-
-}
+}
\ No newline at end of file