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Lake Marmo inlet bridge looking north
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Ravine path bridge on land purchased from John Schultz
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Wooden bridge over DuPage River dam
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Old iron bridge on the Arboretum's west side
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Wooden bridge crossing over DuPage River dam
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Jopamaca footbridge over DuPage River in winter
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West end Lake Marmo from inlet bridge looking northeast
Plan
Morton Arboretum Bridge Plan [Over the East Branch of the DuPage River] Section & ElevationGeorge W. Barton and Associates
Plan
Sketch for viaduct over CM&StP RR from design of St. Louis Expanded Metal Co. on farm of J. Ogden Armour, Lake Forest, IL.December 12 1905
O. C. Simonds & Co.