diff --git a/SubstrateCS/Properties/AssemblyInfo.cs b/SubstrateCS/Properties/AssemblyInfo.cs
index 25e35d6..e1e0f6e 100644
--- a/SubstrateCS/Properties/AssemblyInfo.cs
+++ b/SubstrateCS/Properties/AssemblyInfo.cs
@@ -11,7 +11,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("Substrate")]
-[assembly: AssemblyCopyright("2011 Justin Aquadro")]
+[assembly: AssemblyCopyright("2011-2012 Justin Aquadro")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -30,8 +30,8 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("1.1.0.0")]
-[assembly: AssemblyFileVersion("1.1.0.0")]
+[assembly: AssemblyVersion("1.1.1.0")]
+[assembly: AssemblyFileVersion("1.1.1.0")]
 
 // This library is compatible with all CLS-compliant .NET programming languages.
 [assembly: CLSCompliant(true)]
\ No newline at end of file
diff --git a/SubstrateCS/Source/Nbt/NbtTree.cs b/SubstrateCS/Source/Nbt/NbtTree.cs
index 1758caf..fce56c0 100644
--- a/SubstrateCS/Source/Nbt/NbtTree.cs
+++ b/SubstrateCS/Source/Nbt/NbtTree.cs
@@ -142,6 +142,9 @@ namespace Substrate.Nbt
 
                 case TagType.TAG_COMPOUND:
                     return ReadCompound();
+
+                case TagType.TAG_INT_ARRAY:
+                    return ReadIntArray();
             }
 
             throw new Exception();
@@ -315,6 +318,35 @@ namespace Substrate.Nbt
             return val;
         }
 
+        private TagNode ReadIntArray ()
+        {
+            byte[] lenBytes = new byte[4];
+            _stream.Read(lenBytes, 0, 4);
+
+            if (BitConverter.IsLittleEndian) {
+                Array.Reverse(lenBytes);
+            }
+
+            int length = BitConverter.ToInt32(lenBytes, 0);
+            if (length < 0) {
+                throw new NBTException(NBTException.MSG_READ_NEG);
+            }
+
+            int[] data = new int[length];
+            byte[] buffer = new byte[4];
+            for (int i = 0; i < length; i++) {
+                _stream.Read(buffer, 0, 4);
+                if (BitConverter.IsLittleEndian) {
+                    Array.Reverse(buffer);
+                }
+                data[i] = BitConverter.ToInt32(buffer, 0);
+            }
+
+            TagNodeIntArray val = new TagNodeIntArray(data);
+
+            return val;
+        }
+
         private TagNodeCompound ReadRoot ()
         {
             TagType type = (TagType)_stream.ReadByte();
@@ -328,8 +360,6 @@ namespace Substrate.Nbt
 
         private bool ReadTag (TagNodeCompound parent)
         {
-            //NBT_Tag tag = new NBT_Tag();
-
             TagType type = (TagType)_stream.ReadByte();
             if (type != TagType.TAG_END) {
                 string name = ReadString().ToTagString().Data;
@@ -338,10 +368,6 @@ namespace Substrate.Nbt
             }
 
             return false;
-
-            //tag.Value = ReadValue(type);
-
-            //return tag;
         }
 
         private void WriteValue (TagNode val)
@@ -389,6 +415,10 @@ namespace Substrate.Nbt
                 case TagType.TAG_COMPOUND:
                     WriteCompound(val.ToTagCompound());
                     break;
+
+                case TagType.TAG_INT_ARRAY:
+                    WriteIntArray(val.ToTagIntArray());
+                    break;
             }
         }
 
@@ -505,6 +535,28 @@ namespace Substrate.Nbt
             WriteTag(null, _nulltag);
         }
 
+        private void WriteIntArray (TagNodeIntArray val)
+        {
+            byte[] lenBytes = BitConverter.GetBytes(val.Length);
+
+            if (BitConverter.IsLittleEndian) {
+                Array.Reverse(lenBytes);
+            }
+
+            _stream.Write(lenBytes, 0, 4);
+
+            byte[] data = new byte[val.Length * 4];
+            for (int i = 0; i < val.Length; i++) {
+                byte[] buffer = BitConverter.GetBytes(val.Data[i]);
+                if (BitConverter.IsLittleEndian) {
+                    Array.Reverse(buffer);
+                }
+                Array.Copy(buffer, 0, data, i * 4, 4);
+            }
+
+            _stream.Write(data, 0, data.Length);
+        }
+
         private void WriteTag (string name, TagNode val)
         {
             _stream.WriteByte((byte)val.GetTagType());
diff --git a/SubstrateCS/Source/Nbt/NbtVerifier.cs b/SubstrateCS/Source/Nbt/NbtVerifier.cs
index 5e0cc33..52e066c 100644
--- a/SubstrateCS/Source/Nbt/NbtVerifier.cs
+++ b/SubstrateCS/Source/Nbt/NbtVerifier.cs
@@ -175,6 +175,11 @@ namespace Substrate.Nbt
                 return VerifyArray(tag, array);
             }
 
+            SchemaNodeIntArray intarray = schema as SchemaNodeIntArray;
+            if (intarray != null) {
+                return VerifyIntArray(tag, intarray);
+            }
+
             SchemaNodeList list = schema as SchemaNodeList;
             if (list != null) {
                 return VerifyList(tag, list);
@@ -239,6 +244,23 @@ namespace Substrate.Nbt
             return true;
         }
 
+        private bool VerifyIntArray (TagNode tag, SchemaNodeIntArray schema)
+        {
+            TagNodeIntArray atag = tag as TagNodeIntArray;
+            if (atag == null) {
+                if (!OnInvalidTagType(new TagEventArgs(schema, tag))) {
+                    return false;
+                }
+            }
+            if (schema.Length > 0 && atag.Length != schema.Length) {
+                if (!OnInvalidTagValue(new TagEventArgs(schema, tag))) {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
         private bool VerifyList (TagNode tag, SchemaNodeList schema)
         {
             TagNodeList ltag = tag as TagNodeList;
diff --git a/SubstrateCS/Source/Nbt/SchemaNodeIntArray.cs b/SubstrateCS/Source/Nbt/SchemaNodeIntArray.cs
new file mode 100644
index 0000000..086b67f
--- /dev/null
+++ b/SubstrateCS/Source/Nbt/SchemaNodeIntArray.cs
@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Substrate.Nbt
+{
+    /// <summary>
+    /// A concrete <see cref="SchemaNode"/> representing a <see cref="TagNodeIntArray"/>.
+    /// </summary>
+    public sealed class SchemaNodeIntArray : SchemaNode
+    {
+        private int _length;
+
+        /// <summary>
+        /// Gets the expected length of the corresponding int array.
+        /// </summary>
+        public int Length
+        {
+            get { return _length; }
+        }
+
+        /// <summary>
+        /// Indicates whether there is an expected length of the corresponding int array.
+        /// </summary>
+        public bool HasExpectedLength
+        {
+            get { return _length > 0; }
+        }
+
+        /// <summary>
+        /// Constructs a new <see cref="SchemaNodeIntArray"/> representing a <see cref="TagNodeIntArray"/> named <paramref name="name"/>.
+        /// </summary>
+        /// <param name="name">The name of the corresponding <see cref="TagNodeIntArray"/>.</param>
+        public SchemaNodeIntArray (string name)
+            : base(name)
+        {
+            _length = 0;
+        }
+
+        /// <summary>
+        /// Constructs a new <see cref="SchemaNodeIntArray"/> with additional options.
+        /// </summary>
+        /// <param name="name">The name of the corresponding <see cref="TagNodeIntArray"/>.</param>
+        /// <param name="options">One or more option flags modifying the processing of this node.</param>
+        public SchemaNodeIntArray (string name, SchemaOptions options)
+            : base(name, options)
+        {
+            _length = 0;
+        }
+
+        /// <summary>
+        /// Constructs a new <see cref="SchemaNodeIntArray"/> representing a <see cref="TagNodeIntArray"/> named <paramref name="name"/> with expected length <paramref name="length"/>.
+        /// </summary>
+        /// <param name="name">The name of the corresponding <see cref="TagNodeIntArray"/>.</param>
+        /// <param name="length">The expected length of corresponding byte array.</param>
+        public SchemaNodeIntArray (string name, int length)
+            : base(name)
+        {
+            _length = length;
+        }
+
+        /// <summary>
+        /// Constructs a new <see cref="SchemaNodeIntArray"/> with additional options.
+        /// </summary>
+        /// <param name="name">The name of the corresponding <see cref="TagNodeIntArray"/>.</param>
+        /// <param name="length">The expected length of corresponding byte array.</param>
+        /// <param name="options">One or more option flags modifying the processing of this node.</param>
+        public SchemaNodeIntArray (string name, int length, SchemaOptions options)
+            : base(name, options)
+        {
+            _length = length;
+        }
+
+        /// <summary>
+        /// Constructs a default <see cref="TagNodeIntArray"/> satisfying the constraints of this node.
+        /// </summary>
+        /// <returns>A <see cref="TagNodeString"/> with a sensible default value.</returns>
+        public override TagNode BuildDefaultTree ()
+        {
+            return new TagNodeIntArray(new int[_length]);
+        }
+    }
+}
diff --git a/SubstrateCS/Source/Nbt/TagNode.cs b/SubstrateCS/Source/Nbt/TagNode.cs
index 05471fc..ab3712f 100644
--- a/SubstrateCS/Source/Nbt/TagNode.cs
+++ b/SubstrateCS/Source/Nbt/TagNode.cs
@@ -109,6 +109,15 @@ namespace Substrate.Nbt
             throw new InvalidCastException(); 
         }
 
+        /// <summary>
+        /// Conver this node to an int array tag type if supported.
+        /// </summary>
+        /// <returns>A new int array node.</returns>
+        public virtual TagNodeIntArray ToTagIntArray ()
+        {
+            throw new InvalidCastException();
+        }
+
         /// <summary>
         /// Gets the underlying tag type of the node.
         /// </summary>
diff --git a/SubstrateCS/Source/Nbt/TagNodeIntArray.cs b/SubstrateCS/Source/Nbt/TagNodeIntArray.cs
new file mode 100644
index 0000000..c44c171
--- /dev/null
+++ b/SubstrateCS/Source/Nbt/TagNodeIntArray.cs
@@ -0,0 +1,112 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Substrate.Nbt
+{
+    public sealed class TagNodeIntArray : TagNode
+    {
+        private int[] _data = null;
+
+        /// <summary>
+        /// Converts the node to itself.
+        /// </summary>
+        /// <returns>A reference to itself.</returns>
+        public override TagNodeIntArray ToTagIntArray () 
+        {
+            return this;
+        }
+
+        /// <summary>
+        /// Gets the tag type of the node.
+        /// </summary>
+        /// <returns>The TAG_INT_ARRAY tag type.</returns>
+        public override TagType GetTagType ()
+        {
+            return TagType.TAG_INT_ARRAY; 
+        }
+
+        /// <summary>
+        /// Gets or sets an int array of tag data.
+        /// </summary>
+        public int[] Data
+        {
+            get { return _data; }
+            set { _data = value; }
+        }
+
+        /// <summary>
+        /// Gets the length of the stored byte array.
+        /// </summary>
+        public int Length
+        {
+            get { return _data.Length; }
+        }
+
+        /// <summary>
+        /// Constructs a new byte array node with a null data value.
+        /// </summary>
+        public TagNodeIntArray () { }
+
+        /// <summary>
+        /// Constructs a new byte array node.
+        /// </summary>
+        /// <param name="d">The value to set the node's tag data value.</param>
+        public TagNodeIntArray (int[] d)
+        {
+            _data = d;
+        }
+
+        /// <summary>
+        /// Makes a deep copy of the node.
+        /// </summary>
+        /// <returns>A new int array node representing the same data.</returns>
+        public override TagNode Copy ()
+        {
+            int[] arr = new int[_data.Length];
+            _data.CopyTo(arr, 0);
+
+            return new TagNodeIntArray(arr);
+        }
+
+        /// <summary>
+        /// Gets a string representation of the node's data.
+        /// </summary>
+        /// <returns>String representation of the node's data.</returns>
+        public override string ToString ()
+        {
+            return _data.ToString();
+        }
+
+        /// <summary>
+        /// Gets or sets a single int at the specified index.
+        /// </summary>
+        /// <param name="index">Valid index within stored int array.</param>
+        /// <returns>The int value at the given index of the stored byte array.</returns>
+        public int this[int index]
+        {
+            get { return _data[index]; }
+            set { _data[index] = value; }
+        }
+
+        /// <summary>
+        /// Converts a system int array to a int array node representing the same data.
+        /// </summary>
+        /// <param name="i">A int array.</param>
+        /// <returns>A new int array node containing the given value.</returns>
+        public static implicit operator TagNodeIntArray (int[] i)
+        {
+            return new TagNodeIntArray(i);
+        }
+
+        /// <summary>
+        /// Converts an int array node to a system int array representing the same data.
+        /// </summary>
+        /// <param name="i">An int array node.</param>
+        /// <returns>A system int array set to the node's data.</returns>
+        public static implicit operator int[] (TagNodeIntArray i)
+        {
+            return i._data;
+        }
+    }
+}
diff --git a/SubstrateCS/Source/Nbt/TagType.cs b/SubstrateCS/Source/Nbt/TagType.cs
index e48a0e6..4ae9138 100644
--- a/SubstrateCS/Source/Nbt/TagType.cs
+++ b/SubstrateCS/Source/Nbt/TagType.cs
@@ -60,6 +60,11 @@ namespace Substrate.Nbt
         /// <summary>
         /// A tag containing a key-value store of tags, where each tag can be of any type.
         /// </summary>
-        TAG_COMPOUND = 10
+        TAG_COMPOUND = 10,
+
+        /// <summary>
+        /// A tag containing an array of signed 32-bit values.
+        /// </summary>
+        TAG_INT_ARRAY = 11,
     }
 }
\ No newline at end of file
diff --git a/SubstrateCS/Substrate (NET2).csproj b/SubstrateCS/Substrate (NET2).csproj
index 0209e0a..d307014 100644
--- a/SubstrateCS/Substrate (NET2).csproj	
+++ b/SubstrateCS/Substrate (NET2).csproj	
@@ -60,6 +60,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Source\AlphaWorld.cs" />
+    <Compile Include="Source\AnvilChunk.cs" />
     <Compile Include="Source\BetaChunkManager.cs" />
     <Compile Include="Source\BetaWorld.cs" />
     <Compile Include="Source\Core\BlockTileTicks.cs" />
@@ -122,6 +123,7 @@
     <Compile Include="Source\NBT\SchemaNode.cs" />
     <Compile Include="Source\NBT\SchemaNodeArray.cs" />
     <Compile Include="Source\NBT\SchemaNodeCompound.cs" />
+    <Compile Include="Source\NBT\SchemaNodeIntArray.cs" />
     <Compile Include="Source\NBT\SchemaNodeList.cs" />
     <Compile Include="Source\NBT\SchemaNodeScaler.cs" />
     <Compile Include="Source\NBT\SchemaNodeString.cs" />
@@ -132,6 +134,7 @@
     <Compile Include="Source\NBT\TagNodeDouble.cs" />
     <Compile Include="Source\NBT\TagNodeFloat.cs" />
     <Compile Include="Source\NBT\TagNodeInt.cs" />
+    <Compile Include="Source\NBT\TagNodeIntArray.cs" />
     <Compile Include="Source\NBT\TagNodeList.cs" />
     <Compile Include="Source\NBT\TagNodeLong.cs" />
     <Compile Include="Source\NBT\TagNodeShort.cs" />
diff --git a/SubstrateCS/Substrate (NET4).csproj b/SubstrateCS/Substrate (NET4).csproj
index 817fddf..11775c5 100644
--- a/SubstrateCS/Substrate (NET4).csproj	
+++ b/SubstrateCS/Substrate (NET4).csproj	
@@ -122,6 +122,7 @@
     <Compile Include="Source\NBT\SchemaNode.cs" />
     <Compile Include="Source\NBT\SchemaNodeArray.cs" />
     <Compile Include="Source\NBT\SchemaNodeCompound.cs" />
+    <Compile Include="Source\NBT\SchemaNodeIntArray.cs" />
     <Compile Include="Source\NBT\SchemaNodeList.cs" />
     <Compile Include="Source\NBT\SchemaNodeScaler.cs" />
     <Compile Include="Source\NBT\SchemaNodeString.cs" />
@@ -132,6 +133,7 @@
     <Compile Include="Source\NBT\TagNodeDouble.cs" />
     <Compile Include="Source\NBT\TagNodeFloat.cs" />
     <Compile Include="Source\NBT\TagNodeInt.cs" />
+    <Compile Include="Source\NBT\TagNodeIntArray.cs" />
     <Compile Include="Source\NBT\TagNodeList.cs" />
     <Compile Include="Source\NBT\TagNodeLong.cs" />
     <Compile Include="Source\NBT\TagNodeShort.cs" />