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2 results containing "Line photoengravings--1950-1960."
Larger image available anywhere
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Larger image available only at the Library of Congress
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Not Digitized
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The Miami Conservancy District general map showing flood control work and steam and electric railway relocations
1951. | 1 photomechanical print
Illus. in TC425.M45 M6 [General Collections] | LC-DIG-ppmsca-17730 (digital file from book illustration) -
Typical cross section of dams
1951. | 1 photomechanical print
Illus. in TC425.M45 M6 [General Collections] | LC-DIG-ppmsca-17733 (digital file from book illustration)
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