encoding utf-8 survey CharterhouseWarren input Entrance/Entrance.th input Mitchells/Mitchells.th input UpperBeddingChamber/UpperBeddingChamber.th equate 1.11@Entrance 1.0@Mitchells equate 1.19@Mitchells 1.0@UpperBeddingChamber map CharterhouseWarrenM MitchellsM@Mitchells UpperBeddingChamberM@UpperBeddingChamber endmap endsurvey