Engineering Dry Land

Engineering Dry Land (HM2H03)

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N 32° 1.587', W 80° 53.472'

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Inscription

Fort Pulaski National Monument

Controlling tidal flow over the island was a critical first step in the construction of Fort Pulaski. A complex system of ditches and dikes drain water away from the fort. Designed in 1829 by young Army engineer Lieutenant Robert E. Lee, the system created and maintained dry land to support the massive fort.
(diagram captions · counterclockwise from top) · Tide gates control the flow of incoming water used to flush out the moat.
· The canal and moat carried supply barges to the fort during its construction and operation. The moat feeder canal is still used to flush and maintain the moat.
· The moat surrounding the fort is seven feet deep and 32 to 48 feet wide. Engineers designed it to be a barrier to approaching infantry during a time of war.
· The Army built the dikes 12 feet above sea level to protect the fort and island from tides.
Details
HM NumberHM2H03
Tags
Placed ByNational Park Service, U.S. Department of the Interior
Marker ConditionNo reports yet
Date Added Tuesday, May 21st, 2019 at 11:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)17S E 510273 N 3543372
Decimal Degrees32.02645000, -80.89120000
Degrees and Decimal MinutesN 32° 1.587', W 80° 53.472'
Degrees, Minutes and Seconds32° 1' 35.22" N, 80° 53' 28.32" W
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