diff --git a/core/src/main/java/com/seibel/distanthorizons/core/file/AbstractDataSourceHandler.java b/core/src/main/java/com/seibel/distanthorizons/core/file/AbstractDataSourceHandler.java
index b87b809c5..8f2ec3440 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/file/AbstractDataSourceHandler.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/file/AbstractDataSourceHandler.java
@@ -17,6 +17,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
 import java.nio.channels.ClosedChannelException;
+import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.Timer;
 import java.util.TimerTask;
@@ -187,8 +188,6 @@ public abstract class AbstractDataSourceHandler<TDataSource extends IDataSource<
 	@Override
 	public CompletableFuture<Void> updateDataSourcesWithChunkDataAsync(ChunkSizedFullDataAccessor chunkDataView)
 	{
-		DhSectionPos pos = chunkDataView.getSectionPos().convertNewToDetailLevel(DhSectionPos.SECTION_MINIMUM_DETAIL_LEVEL);
-		
 		ThreadPoolExecutor executor = ThreadPools.getFileHandlerExecutor();
 		if (executor == null || executor.isTerminated())
 		{
@@ -199,7 +198,15 @@ public abstract class AbstractDataSourceHandler<TDataSource extends IDataSource<
 		try
 		{
 			// run file handling on a separate thread
-			return CompletableFuture.runAsync(() -> this.updateDataSourcesRecursively(pos, chunkDataView), executor);
+			return CompletableFuture.runAsync(() ->
+			{
+				DhSectionPos bottomPos = chunkDataView.getSectionPos().convertNewToDetailLevel(DhSectionPos.SECTION_MINIMUM_DETAIL_LEVEL);
+				
+				bottomPos.forEachPosUpToDetailLevel(
+						this.topSectionDetailLevelRef.byteValue(), 
+						(pos) -> this.updateDataSourceAtPos(pos, chunkDataView) );
+				
+			}, executor);
 		}
 		catch (RejectedExecutionException ignore)
 		{
@@ -207,26 +214,6 @@ public abstract class AbstractDataSourceHandler<TDataSource extends IDataSource<
 			return CompletableFuture.completedFuture(null);
 		}
 	}
-	/** Updates every data source from this position up to {@link AbstractDataSourceHandler#topSectionDetailLevelRef} */
-	private void updateDataSourcesRecursively(DhSectionPos pos, ChunkSizedFullDataAccessor chunkDataView)
-	{
-		// update up until we reach the highest available data source
-		if (pos.getDetailLevel() > this.topSectionDetailLevelRef.get())
-		{
-			return;
-		}
-		
-		
-		DhSectionPos chunkSectionPos = chunkDataView.getSectionPos();
-		LodUtil.assertTrue(chunkSectionPos.overlapsExactly(pos), "Update failed, chunk [" + chunkSectionPos + "] does not overlap section [" + pos + "].");
-		
-		// update this pos
-		this.updateDataSourceAtPos(pos, chunkDataView);
-		
-		// recursively update the parent pos
-		DhSectionPos parentPos = pos.getParentPos();
-		this.updateDataSourcesRecursively(parentPos, chunkDataView);
-	}
 	protected void updateDataSourceAtPos(DhSectionPos pos, ChunkSizedFullDataAccessor chunkData)
 	{
 		// a lock is necessary to prevent two threads from writing to the same position at once,
diff --git a/core/src/main/java/com/seibel/distanthorizons/core/file/fullDatafile/FullDataFileHandler.java b/core/src/main/java/com/seibel/distanthorizons/core/file/fullDatafile/FullDataFileHandler.java
index 503214ef0..8f89ab2a5 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/file/fullDatafile/FullDataFileHandler.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/file/fullDatafile/FullDataFileHandler.java
@@ -89,7 +89,11 @@ public class FullDataFileHandler extends AbstractDataSourceHandler<IFullDataSour
 	protected IFullDataSource createNewDataSourceFromExistingDtos(DhSectionPos pos)
 	{
 		IIncompleteFullDataSource newFullDataSource = this.makeEmptyDataSource(pos);
-		
+		return this.updateFromDataSourceFromExistingDtos(newFullDataSource);
+	}
+	protected IFullDataSource updateFromDataSourceFromExistingDtos(IIncompleteFullDataSource newFullDataSource)
+	{
+		DhSectionPos pos = newFullDataSource.getSectionPos();
 		
 		boolean showFullDataFileSampling = Config.Client.Advanced.Debugging.DebugWireframe.showFullDataFileStatus.get();
 		if (showFullDataFileSampling)
@@ -163,6 +167,8 @@ public class FullDataFileHandler extends AbstractDataSourceHandler<IFullDataSour
 		return newFullDataSource.tryPromotingToCompleteDataSource();
 	}
 	
+	
+	
 	@Override
 	protected IIncompleteFullDataSource makeEmptyDataSource(DhSectionPos pos)
 	{
diff --git a/core/src/main/java/com/seibel/distanthorizons/core/pos/DhSectionPos.java b/core/src/main/java/com/seibel/distanthorizons/core/pos/DhSectionPos.java
index 5753e9b5b..819e2caa8 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/pos/DhSectionPos.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/pos/DhSectionPos.java
@@ -25,6 +25,7 @@ import com.seibel.distanthorizons.core.util.LodUtil;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.function.Consumer;
+import java.util.function.Function;
 
 /**
  * The position object used to define LOD objects in the quad trees. <br><br>
@@ -314,6 +315,21 @@ public class DhSectionPos
 		}
 	}
 	
+	/** Applies the given consumer to all children of the position at the given section detail level. */
+	public void forEachChildDownToDetailLevel(byte minSectionDetailLevel, Function<DhSectionPos, Boolean> callback)
+	{
+		boolean stop = callback.apply(this);
+		if (stop || minSectionDetailLevel == this.detailLevel)
+		{
+			return;
+		}
+		
+		for (int i = 0; i < 4; i++)
+		{
+			this.getChildByIndex(i).forEachChildDownToDetailLevel(minSectionDetailLevel, callback);
+		}
+	}
+	
 	/** Applies the given consumer to all children of the position at the given section detail level. */
 	public void forEachChildAtLevel(byte sectionDetailLevel, Consumer<DhSectionPos> callback)
 	{
@@ -329,6 +345,20 @@ public class DhSectionPos
 		}
 	}
 	
+	/** Applies the given consumer to all children of the position at the given section detail level. */
+	public void forEachPosUpToDetailLevel(byte maxSectionDetailLevel, Consumer<DhSectionPos> callback)
+	{
+		callback.accept(this);
+		if (maxSectionDetailLevel == this.detailLevel)
+		{
+			return;
+		}
+		
+		this.getParentPos().forEachPosUpToDetailLevel(maxSectionDetailLevel, callback);
+	}
+	
+	
+	
 	
 	
 	//===============//