Topographical symbols for map making from the book ' Drafting room methods, standards and forms, a reference book for engineering offices and draftsmen ' by Collins, Charles Dickey, Publication date 1918 Publisher New York, D. Van Nostrand company

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Size: 2404px × 4583px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
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