Entrance Boring Sav (Copfer Dam)

Perry Garvin, Entrance Boring Sav (Copfer Dam)
ink, paper, blue painter's tape, and paper on watercolor paper 9 inches high x 6 inches wide

DPR933
Of the Copfer Dam, Engineering Aspect #332D
GIA866
Surtap Observer (Copfer Dam)
HHR443
IDV638
ORV302
Divisor Platform (Copfer Dam)
Solfitz Mercator
AAL109
JVF843
TSZ198

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