Carbon Tower: early sketch
ARCH276843
2002
Carbon Tower: section study
ARCH276859
circa 2001-2004
ARCH276860
circa 2001-2004
Carbon Tower: ramp sketch
ARCH276867
circa 2001-2004
Carbon Tower: ramp sketch
ARCH276868
circa 2001-2004
ARCH276869
circa 2001-2004
ARCH276870
circa 2001-2004
ARCH276871
circa 2001-2004
PH1980:0003
PH1980:0656
ca. 1860