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

Untitled
WML002
Field Study
SOM556
Supptin Excav Unit #22 (Copfer Dam)
VFO854
HEB533
YWO377
Of the Copfer Dam, Engineering Aspect #332D
OGO333
YXO741
HEK638

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