OGO333

Perry Garvin, OGO333
ink on paper 9 inches high x 6.4 inches wide

HJT554
Surtap Observer 2 (Copfer Dam)
Surtap Observer (Copfer Dam)
Proctor Dyrethrin Discharge (Copfer Dam)
Divisor Platform (Copfer Dam)
HYT477
Of the Copfer Dam, Engineering Aspect #332D
PSK417
IEI022
JIO722
HOV268
BAY893

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