diff --git a/src/config/Earth/MSVirtualEarthAerialLayer.xml b/src/config/Earth/MSVirtualEarthAerialLayer.xml
deleted file mode 100644
index 51d3ef162b..0000000000
--- a/src/config/Earth/MSVirtualEarthAerialLayer.xml
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: MSVirtualEarthAerialLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>MS Virtual Earth Aerial</DisplayName>
-    <Service serviceName="WWTileService">
-        <URL>https://worldwind28.arc.nasa.gov/vewms/vewms.aspx</URL>
-    </Service>
-    <!-- day month year hours:minutes:seconds timezone -->
-    <LastUpdate>19 09 2009 04:10:00 GMT</LastUpdate>
-    <DatasetName>a</DatasetName>
-    <DataCacheName>Earth/MS Virtual Earth a</DataCacheName>
-    <ImageFormat>image/jpg</ImageFormat>
-    <AvailableImageFormats>
-        <ImageFormat>image/jpg</ImageFormat>
-    </AvailableImageFormats>
-    <FormatSuffix>.dds</FormatSuffix>
-    <NumLevels count="16" numEmpty="4"/>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="36" longitude="36"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="-90" longitude="-180"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="90" longitude="180"/>
-        </NorthEast>
-    </Sector>
-    <ActiveAltitudes max="1000e3"/>
-    <UseTransparentTextures>true</UseTransparentTextures>
-</Layer>
\ No newline at end of file
diff --git a/src/config/Earth/MSVirtualEarthHybridLayer.xml b/src/config/Earth/MSVirtualEarthHybridLayer.xml
deleted file mode 100644
index 356562fdcb..0000000000
--- a/src/config/Earth/MSVirtualEarthHybridLayer.xml
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: MSVirtualEarthHybridLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>MS Virtual Earth Hybrid</DisplayName>
-    <Service serviceName="WWTileService">
-        <URL>https://worldwind28.arc.nasa.gov/vewms/vewms.aspx</URL>
-    </Service>
-    <!-- day month year hours:minutes:seconds timezone -->
-    <LastUpdate>19 09 2009 04:10:00 GMT</LastUpdate>
-    <DatasetName>h</DatasetName>
-    <DataCacheName>Earth/MS Virtual Earth h</DataCacheName>
-    <ImageFormat>image/jpg</ImageFormat>
-    <AvailableImageFormats>
-        <ImageFormat>image/jpg</ImageFormat>
-    </AvailableImageFormats>
-    <FormatSuffix>.dds</FormatSuffix>
-    <NumLevels count="16" numEmpty="4"/>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="36" longitude="36"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="-90" longitude="-180"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="90" longitude="180"/>
-        </NorthEast>
-    </Sector>
-    <ActiveAltitudes max="1000e3"/>
-    <UseTransparentTextures>true</UseTransparentTextures>
-</Layer>
\ No newline at end of file
diff --git a/src/config/Earth/MSVirtualEarthRoadsLayer.xml b/src/config/Earth/MSVirtualEarthRoadsLayer.xml
deleted file mode 100644
index 715e37ac55..0000000000
--- a/src/config/Earth/MSVirtualEarthRoadsLayer.xml
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: MSVirtualEarthRoadsLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>MS Virtual Earth Roads</DisplayName>
-    <Service serviceName="WWTileService">
-        <URL>https://worldwind28.arc.nasa.gov/vewms/vewms.aspx</URL>
-    </Service>
-    <!-- day month year hours:minutes:seconds timezone -->
-    <LastUpdate>19 09 2009 04:10:00 GMT</LastUpdate>
-    <DatasetName>r</DatasetName>
-    <DataCacheName>Earth/MS Virtual Earth r</DataCacheName>
-    <ImageFormat>image/jpg</ImageFormat>
-    <AvailableImageFormats>
-        <ImageFormat>image/jpg</ImageFormat>
-    </AvailableImageFormats>
-    <FormatSuffix>.dds</FormatSuffix>
-    <NumLevels count="16" numEmpty="4"/>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="36" longitude="36"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="-90" longitude="-180"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="90" longitude="180"/>
-        </NorthEast>
-    </Sector>
-    <ActiveAltitudes max="1000e3"/>
-    <UseTransparentTextures>true</UseTransparentTextures>
-</Layer>
\ No newline at end of file
diff --git a/src/config/Earth/USDANAIPWMSImageLayer.xml b/src/config/Earth/USDANAIPWMSImageLayer.xml
deleted file mode 100644
index 7d74784a7a..0000000000
--- a/src/config/Earth/USDANAIPWMSImageLayer.xml
+++ /dev/null
@@ -1,77 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: USDANAIPWMSImageLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<!--DEPRECATED. The preferred NAIP layer is USGS NAIP Plus (USGSNAIPPlusLayer.xml) -->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>USDA NAIP</DisplayName>
-    <Service serviceName="OGC:WMS" version="1.3">
-        <GetCapabilitiesURL>https://worldwind47.arc.nasa.gov/wms</GetCapabilitiesURL>
-        <GetMapURL>https://worldwind47.arc.nasa.gov/wms</GetMapURL>
-        <LayerNames>NAIP</LayerNames>
-    </Service>
-    <LastUpdate>1240509300000</LastUpdate>
-    <!-- day month year hours:minutes:seconds timezone -->
-    <LastUpdate>23 04 2009 17:55:00 GMT</LastUpdate>
-    <DataCacheName>Earth/USDA NAIP</DataCacheName>
-    <ImageFormat>image/dds</ImageFormat>
-    <AvailableImageFormats>
-        <ImageFormat>image/png</ImageFormat>
-        <ImageFormat>image/dds</ImageFormat>
-    </AvailableImageFormats>
-    <FormatSuffix>.dds</FormatSuffix>
-    <NumLevels count="15" numEmpty="6"/>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="36" longitude="36"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="24.0" longitude="-125.0"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="50.0" longitude="-66.0"/>
-        </NorthEast>
-    </Sector>
-    <UseTransparentTextures>true</UseTransparentTextures>
-    <ScreenCredit creditType="ScreenImage">
-        <FileName>images/usda_logo-32x32.png</FileName>
-        <Link>http://www.fsa.usda.gov/FSA</Link>
-    </ScreenCredit>
-    <RetrievalTimeouts>
-        <ReadTimeout>
-            <Time units="milliseconds" value="30000"/>
-        </ReadTimeout>
-    </RetrievalTimeouts>
-</Layer>
\ No newline at end of file
diff --git a/src/config/Earth/USGSTopoHighResLayer.xml b/src/config/Earth/USGSTopoHighResLayer.xml
deleted file mode 100644
index 3f626c65a2..0000000000
--- a/src/config/Earth/USGSTopoHighResLayer.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: USGSTopoHighResLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>USGS Topo Scanned Maps 1:24K</DisplayName>
-    <LastUpdate>25 06 2011 05:00:00 GMT</LastUpdate>
-    <ActiveAltitudes max="1e6"/>
-    <MapScale>24e3</MapScale>
-    <NumLevels count="13" numEmpty="0"/>
-    <DetailHint>0.3</DetailHint>
-    <Service serviceName="OGC:WMS" version="1.3">
-        <GetCapabilitiesURL>https://worldwind47.arc.nasa.gov/topo</GetCapabilitiesURL>
-        <GetMapURL>https://worldwind47.arc.nasa.gov/topo</GetMapURL>
-        <LayerNames>US_TOPO_3</LayerNames>
-    </Service>
-    <DataCacheName>Earth/USGS Topographic Maps 24k Scale</DataCacheName>
-    <RetrievePropertiesFromService>true</RetrievePropertiesFromService>
-    <AvailableImageFormats>
-        <ImageFormat>image/png</ImageFormat>
-        <ImageFormat>image/jpeg</ImageFormat>
-        <ImageFormat>image/dds</ImageFormat>
-    </AvailableImageFormats>
-    <ImageFormat>image/png</ImageFormat>
-    <FormatSuffix>.png</FormatSuffix>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="36" longitude="36"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="18" longitude="-161"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="50" longitude="-66"/>
-        </NorthEast>
-    </Sector>
-    <RetrievalTimeouts>
-        <ReadTimeout>
-            <Time units="milliseconds" value="30000"/>
-        </ReadTimeout>
-    </RetrievalTimeouts>
-</Layer>
\ No newline at end of file
diff --git a/src/config/Earth/USGSTopoLowResLayer.xml b/src/config/Earth/USGSTopoLowResLayer.xml
deleted file mode 100644
index 23387c5ad2..0000000000
--- a/src/config/Earth/USGSTopoLowResLayer.xml
+++ /dev/null
@@ -1,69 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: USGSTopoLowResLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>USGS Topo Scanned Maps 1:250K</DisplayName>
-    <LastUpdate>25 06 2011 05:00:00 GMT</LastUpdate>
-    <ActiveAltitudes max="50e6"/>
-    <MapScale>250e3</MapScale>
-    <DetailHint>0.3</DetailHint>
-    <NumLevels count="10" numEmpty="0"/>
-    <Service serviceName="OGC:WMS" version="1.3">
-        <GetCapabilitiesURL>https://worldwind47.arc.nasa.gov/topo</GetCapabilitiesURL>
-        <GetMapURL>https://worldwind47.arc.nasa.gov/topo</GetMapURL>
-        <LayerNames>US_TOPO_1</LayerNames>
-    </Service>
-    <DataCacheName>Earth/USGS Topographic Maps 250k Scale</DataCacheName>
-    <RetrievePropertiesFromService>true</RetrievePropertiesFromService>
-    <AvailableImageFormats>
-        <ImageFormat>image/png</ImageFormat>
-        <ImageFormat>image/jpeg</ImageFormat>
-        <ImageFormat>image/dds</ImageFormat>
-    </AvailableImageFormats>
-    <ImageFormat>image/png</ImageFormat>
-    <FormatSuffix>.png</FormatSuffix>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="20" longitude="20"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="18" longitude="-178"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="72" longitude="-66"/>
-        </NorthEast>
-    </Sector>
-</Layer>
\ No newline at end of file
diff --git a/src/config/Earth/USGSTopoMedResLayer.xml b/src/config/Earth/USGSTopoMedResLayer.xml
deleted file mode 100644
index d108ed21ce..0000000000
--- a/src/config/Earth/USGSTopoMedResLayer.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
-  ~ Administrator of the National Aeronautics and Space Administration.
-  ~ All rights reserved.
-  ~ 
-  ~ The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except in compliance
-  ~ with the License. You may obtain a copy of the License at
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~ 
-  ~ Unless required by applicable law or agreed to in writing, software distributed
-  ~ under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-  ~ CONDITIONS OF ANY KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations under the License.
-  ~ 
-  ~ NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
-  ~ software:
-  ~ 
-  ~     Jackson Parser – Licensed under Apache 2.0
-  ~     GDAL – Licensed under MIT
-  ~     JOGL – Licensed under  Berkeley Software Distribution (BSD)
-  ~     Gluegen – Licensed under Berkeley Software Distribution (BSD)
-  ~ 
-  ~ A complete listing of 3rd Party software notices and licenses included in
-  ~ NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
-  ~ notices and licenses PDF found in code directory.
-  -->
-
-<!--$Id: USGSTopoMedResLayer.xml 1171 2013-02-11 21:45:02Z dcollins $-->
-<Layer version="1" layerType="TiledImageLayer">
-    <DisplayName>USGS Topo Scanned Maps 1:100K</DisplayName>
-    <LastUpdate>25 06 2011 05:00:00 GMT</LastUpdate>
-    <ActiveAltitudes max="10e6"/>
-    <MapScale>100e3</MapScale>
-    <NumLevels count="10" numEmpty="0"/>
-    <DetailHint>0.3</DetailHint>
-    <Service serviceName="OGC:WMS" version="1.3">
-        <GetCapabilitiesURL>https://worldwind47.arc.nasa.gov/topo</GetCapabilitiesURL>
-        <GetMapURL>https://worldwind47.arc.nasa.gov/topo</GetMapURL>
-        <LayerNames>US_TOPO_2</LayerNames>
-    </Service>
-    <DataCacheName>Earth/USGS Topographic Maps 100k Scale</DataCacheName>
-    <RetrievePropertiesFromService>true</RetrievePropertiesFromService>
-    <AvailableImageFormats>
-        <ImageFormat>image/png</ImageFormat>
-        <ImageFormat>image/jpeg</ImageFormat>
-        <ImageFormat>image/dds</ImageFormat>
-    </AvailableImageFormats>
-    <ImageFormat>image/png</ImageFormat>
-    <FormatSuffix>.png</FormatSuffix>
-    <TileOrigin>
-        <LatLon units="degrees" latitude="-90" longitude="-180"/>
-    </TileOrigin>
-    <LevelZeroTileDelta>
-        <LatLon units="degrees" latitude="20" longitude="20"/>
-    </LevelZeroTileDelta>
-    <TileSize>
-        <Dimension width="512" height="512"/>
-    </TileSize>
-    <Sector>
-        <SouthWest>
-            <LatLon units="degrees" latitude="18" longitude="-178"/>
-        </SouthWest>
-        <NorthEast>
-            <LatLon units="degrees" latitude="72" longitude="-66"/>
-        </NorthEast>
-    </Sector>
-    <RetrievalTimeouts>
-        <ReadTimeout>
-            <Time units="milliseconds" value="20000"/>
-        </ReadTimeout>
-    </RetrievalTimeouts>
-</Layer>
\ No newline at end of file
diff --git a/src/config/worldwind.layers.xml b/src/config/worldwind.layers.xml
index d39a047c7e..0cffc64e29 100644
--- a/src/config/worldwind.layers.xml
+++ b/src/config/worldwind.layers.xml
@@ -47,11 +47,11 @@
     <Layer href="config/Earth/USGSNAIPPlusLayer.xml" actuate="onRequest"/>
     <!--<Layer href="config/Earth/MSVirtualEarthAerialLayer.xml" actuate="onRequest"/>-->
     <Layer href="config/Earth/BingImagery.xml" actuate="onRequest"/>
-    <Layer href="config/Earth/USGSTNMTopoLayer.xml" actuate="onRequest"/>
+<!--    <Layer href="config/Earth/USGSTNMTopoLayer.xml" actuate="onRequest"/>
     <Layer href="config/Earth/USGSTNMTopoLargeLayer.xml" actuate="onRequest"/>
     <Layer href="config/Earth/USGSTopoLowResLayer.xml" actuate="onRequest"/>
     <Layer href="config/Earth/USGSTopoMedResLayer.xml" actuate="onRequest"/>
-    <Layer href="config/Earth/USGSTopoHighResLayer.xml" actuate="onRequest"/>
+    <Layer href="config/Earth/USGSTopoHighResLayer.xml" actuate="onRequest"/>-->
     <!--<Layer className="gov.nasa.worldwind.layers.Earth.OSMMapnikLayer" actuate="onRequest"/>-->
     <!--<Layer className="gov.nasa.worldwind.layers.Earth.OSMCycleMapLayer" actuate="onRequest"/>-->
     <Layer className="gov.nasa.worldwind.layers.Earth.CountryBoundariesLayer" actuate="onRequest"/>