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The following charts and diagrams from the Historic American Engineering Record (HAER) show roads, bridges, and design principles in Maine's Acadia National Park. Search the Resource Bank for HAER to find more historical drawings from this organization.
The following charts and diagrams from the Historic American Engineering Record (HAER) show roads, bridges, and design principles in Maine's Acadia National Park. Search the Resource Bank for HAER to find more historical drawings from this organization.
External Links:
More Information:
www.cr.nps.gov/habshaer
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Chart/diagram details: