Index: Ringtoets/Common/src/Ringtoets.Common.IO/Ringtoets.Common.IO.csproj
===================================================================
diff -u -r72a2809486183c2a0ecfd8a529b4518f852d250d -ra98b1f041d0befb17b61cbab82450309521c2fc7
--- Ringtoets/Common/src/Ringtoets.Common.IO/Ringtoets.Common.IO.csproj	(.../Ringtoets.Common.IO.csproj)	(revision 72a2809486183c2a0ecfd8a529b4518f852d250d)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/Ringtoets.Common.IO.csproj	(.../Ringtoets.Common.IO.csproj)	(revision a98b1f041d0befb17b61cbab82450309521c2fc7)
@@ -46,6 +46,7 @@
       <HintPath>..\..\..\..\packages\System.Data.SQLite.Core.1.0.104.0\lib\net40\System.Data.SQLite.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
   </ItemGroup>
@@ -128,6 +129,7 @@
     <Compile Include="SoilProfile\SoilDatabaseConstraintsReader.cs" />
     <Compile Include="SoilProfile\SoilDatabaseQueryBuilder.cs" />
     <Compile Include="SoilProfile\SoilDatabaseVersionReader.cs" />
+    <Compile Include="SoilProfile\SoilLayer1D.cs" />
     <Compile Include="SoilProfile\SoilProfile1D.cs" />
     <Compile Include="SoilProfile\SoilProfile1DReader.cs" />
     <Compile Include="SoilProfile\SoilProfile2D.cs" />