diff --git a/Materials/regions/us_southwest.xml b/Materials/regions/us_southwest.xml
index 62fc190fd..ab7994076 100644
--- a/Materials/regions/us_southwest.xml
+++ b/Materials/regions/us_southwest.xml
@@ -16,41 +16,60 @@
    </equals>
   </condition>
 
-   <material>
+  <material>
+    <name>pa_shoulder</name>
+    <texture>Runway/pa_shoulder2.png</texture>
+    <parameters>
+      <uvstretch>8.0</uvstretch>
+    </parameters>
+  </material>
+
+  <material>
+    <name>pa_shoulder_f</name>
+    <texture>Runway/pa_shoulder_f2.png</texture>
+    <parameters>
+      <uvstretch>8.0</uvstretch>
+    </parameters>
+  </material>
+
+  <material>
     <effect>Effects/airfield</effect>
     <name>Grass</name>
     <name>Airport</name>
     <name>AirportKeep</name>
     <name>Greenspace</name>
-	<texture-set>
-		<texture>Terrain/sand_hires_red.png</texture>
-		<texture n="13">Terrain/sand_hires_red.png</texture>
-	</texture-set>
-	<parameters>
-	  <grit_alpha>0.4</grit_alpha>
-	</parameters>
+    <texture-set>
+      <texture>Terrain/gravel_red.png</texture>
+      <texture n="13">Terrain/gravel_red.png</texture>
+      <texture n="14">Terrain/grass_dry2.png</texture>
+    </texture-set>
+    <parameters>
+      <grit_alpha>0.4</grit_alpha>
+      <use_overlay>1</use_overlay>
+      <overlay_bias>-0.1</overlay_bias>
+    </parameters>
     <xsize>125</xsize>
     <ysize>125</ysize>
     <light-coverage>4000000.0</light-coverage>
     <diffuse>
-      <r>0.93</r>
-      <g>0.95</g>
-      <b>0.93</b>
-      <a>1.0</a>
-    </diffuse>
-    <specular>
-      <r>0.1</r>
-      <g>0.12</g>
-      <b>0.1</b>
-      <a>1.0</a>
-    </specular>
-    <shininess>1.2</shininess>
-    <solid>1</solid>
-    <friction-factor>0.7</friction-factor>
-    <rolling-friction>0.1</rolling-friction>
-    <bumpiness>0.1</bumpiness>
-    <load-resistance>1e30</load-resistance>
-  </material>
+    <r>0.93</r>
+    <g>0.95</g>
+    <b>0.93</b>
+    <a>1.0</a>
+   </diffuse>
+   <specular>
+     <r>0.1</r>
+     <g>0.12</g>
+     <b>0.1</b>
+     <a>1.0</a>
+   </specular>
+   <shininess>1.2</shininess>
+   <solid>1</solid>
+   <friction-factor>0.7</friction-factor>
+   <rolling-friction>0.1</rolling-friction>
+   <bumpiness>0.1</bumpiness>
+   <load-resistance>1e30</load-resistance>
+ </material>
 
   <material>
     <effect>Effects/landmass-scrub</effect>