Signed, in pencil, verso, upper right: Russ Marshall
Inscribed, in pencil, verso, upper left edge: GM BLDG AND WATER TOWERS 1997 (2946.D.17) P.2.6/2005 | 2 0F 3 | Russ Marshall | 2 Inscribed, in pencil, verso, lower right edge: BERGGER CB LPD 1:1 2M ST 1:20 2M