diff --git a/navar_city/troll_canyon/troll_canyon.10 b/navar_city/troll_canyon/troll_canyon.10
index 07d78905b..9c5815c50 100755
--- a/navar_city/troll_canyon/troll_canyon.10
+++ b/navar_city/troll_canyon/troll_canyon.10
@@ -7,7 +7,7 @@ height 20
 enter_y 10
 msg
 Created:  2007-02-03 Brad Reilly
-Modified: 2008-12-13 Rick Tanner
+Modified: 2011-11-21 Rick Tanner
 endmsg
 tile_path_1 troll_canyon.11
 tile_path_4 troll_canyon.9
@@ -234,7 +234,7 @@ arch cave16
 x 2
 y 14
 end
-arch cave17
+arch cave23
 x 2
 y 15
 end
@@ -491,7 +491,7 @@ arch cave20
 x 5
 y 11
 end
-arch cave19
+arch cave25
 x 5
 y 12
 end
@@ -582,7 +582,7 @@ arch cave7
 x 6
 y 10
 end
-arch cave17
+arch cave23
 x 6
 y 11
 end
@@ -677,7 +677,7 @@ arch cave11
 x 7
 y 10
 end
-arch cave20
+arch cave22
 x 7
 y 11
 end
@@ -736,7 +736,7 @@ arch cave_15
 x 8
 y 3
 end
-arch cave18
+arch cave24
 x 8
 y 4
 end
@@ -784,7 +784,7 @@ arch cave_15
 x 8
 y 12
 end
-arch cave19
+arch cave25
 x 8
 y 13
 end
@@ -1117,7 +1117,7 @@ arch cave_15
 x 11
 y 15
 end
-arch cave19
+arch cave25
 x 11
 y 16
 end
@@ -1801,7 +1801,7 @@ arch cave6
 x 17
 y 18
 end
-arch cave20
+arch cave22
 x 17
 y 19
 end
@@ -1840,7 +1840,7 @@ arch cave15
 x 18
 y 6
 end
-arch cave20
+arch cave22
 x 18
 y 7
 end
@@ -1951,7 +1951,7 @@ arch cave_15
 x 19
 y 8
 end
-arch cave19
+arch cave25
 x 19
 y 9
 end
@@ -1979,7 +1979,7 @@ arch cave_15
 x 19
 y 14
 end
-arch cave19
+arch cave25
 x 19
 y 15
 end
@@ -1995,7 +1995,7 @@ arch pstone_2
 x 19
 y 17
 end
-arch cave20
+arch cave22
 x 19
 y 17
 end