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    This article details all the features of the Black Hall Research Control Unit. The rooms that contain a Black Hall Unit are MGL 109, 111, 201, 202, 207, and 214, LEO 214, 236, 241, 252, and 323, DLS 205, 207, 208, 303, and 304, and HAY 208, 209, 210, 409, and 507.