HHR443

Perry Garvin, HHR443
ink on paper 9 inches high x 6.5 inches wide

HEB533
LTO913
BSS964
HEK638
KWJ538
Servo Processing Stat (Copfer Dam)
TIQ111
IUE394
Field Study
IDV638
Of the Copfer Dam, Engineering Aspect #332D
TTQ817

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