Surtap Observer (Copfer Dam)

Perry Garvin, Surtap Observer (Copfer Dam)
ink, graphite, blue painter's tape, and paper on watercolor paper 9 inches high x 6 inches wide

Defractory Hedging Point (Copfer Dam)
Field Study
Filterlushing Antipode #112 (Copfer Dam)
HYT477
WNR648
DDL544
IUE394
HHR443
Servo Processing Stat (Copfer Dam)
ORU025
JAF363
Entrance Boring Sav (Copfer Dam)

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